diff --git a/dist/epub.js b/dist/epub.js
index 4b23f1a..84e22bf 100644
--- a/dist/epub.js
+++ b/dist/epub.js
@@ -3371,19 +3371,18 @@ EPUBJS.Infinite.prototype.check = function(){
 
   if(this.scrolled && !this.displaying) {
 
-    // var scrollTop = window.pageYOffset || document.documentElement.scrollTop
-    // var scrollLeft = window.pageXOffset || document.documentElement.scrollLeft
     var scrollTop = this.container.scrollTop;
+    var scrollLeft = this.container.scrollLeft;
 
-    // var scrollTop = document.body.scrollTop;//TODO: make document.body a variable
-    // var scrollHeight = document.documentElement.scrollHeight;
     var scrollHeight = this.container.scrollHeight;
+    var scrollWidth = this.container.scrollWidth;
+
     var direction = scrollTop - this.prevScrollTop;
     var height = this.container.getBoundingClientRect().height;
 
-    var up = height - (scrollHeight - scrollTop) > -this.offset;
+    var up = scrollTop + this.offset > scrollHeight-height;
     var down = scrollTop < this.offset;
-
+    // console.debug("scroll", scrollTop)
     if(up && direction > 0) {
       this.forwards();
     }
@@ -3391,15 +3390,34 @@ EPUBJS.Infinite.prototype.check = function(){
       this.backwards();
     }
 
-    // console.log(document.body.scrollTop)
+    // console.log(scrollTop)
     this.prevScrollTop = scrollTop;
 
+    this.scrolled = false;
+  } else {
+    this.displaying = false;
     this.scrolled = false;
   }
 
   this.tick.call(window, this.check.bind(this));
 }
 
+EPUBJS.Infinite.prototype.scrollBy = function(x, y, silent){
+  if(silent) {
+    this.displaying = true;
+  }
+  this.container.scrollLeft += x;
+  this.container.scrollTop += y;
+};
+
+EPUBJS.Infinite.prototype.scroll = function(x, y, silent){
+  if(silent) {
+    this.displaying = true;
+  }
+  this.container.scrollLeft = x;
+  this.container.scrollTop = y;
+};
+
 RSVP.EventTarget.mixin(EPUBJS.Infinite.prototype);
 EPUBJS.Layout = function(){};
 
@@ -4030,7 +4048,7 @@ EPUBJS.Renderer = function(book, _options) {
   var options = _options || {};
   this.settings = {
     hidden: options.hidden || false,
-    viewLimit: 3,
+    viewsLimit: 4,
     width: options.width || false, 
     height: options.height || false, 
   };
@@ -4153,8 +4171,13 @@ EPUBJS.Renderer.prototype.attachTo = function(_element){
 
   this.infinite.start();
 
-  this.infinite.on("forwards", this.forwards.bind(this));
-  this.infinite.on("backwards", this.backwards.bind(this));
+  this.infinite.on("forwards", function(){
+    if(!this.rendering) this.forwards();
+  }.bind(this));
+  
+  this.infinite.on("backwards", function(){
+    if(!this.rendering) this.backwards();
+  }.bind(this));
 
   window.addEventListener("resize", this.onResized.bind(this), false);
 
@@ -4179,10 +4202,11 @@ EPUBJS.Renderer.prototype.display = function(what){
     var section = this.book.spine.get(what);
     var rendered = this.render(section);
 
-    rendered.then(function(){
-      this.fill();
-      displaying.resolve(this);
-    }.bind(this));
+    rendered.
+      then(this.fill.bind(this)).
+      then(function(){
+        displaying.resolve(this);
+      }.bind(this));
   
   }.bind(this));
 
@@ -4201,12 +4225,19 @@ EPUBJS.Renderer.prototype.render = function(section){
   rendered = section.render();
   view.index = section.index;
 
-  // Place view in correct position
-  this.insert(view, section.index);
+  
 
-  return rendered.then(function(contents){
-    return view.load(contents);
-  });
+  return rendered.
+    then(function(contents){
+      // Place view in correct position
+      this.insert(view, section.index);
+
+      return view.load(contents);
+    }.bind(this))
+    .then(function(){
+      this.rendering = false;
+      return view;
+    }.bind(this));
 
 };
 
@@ -4216,23 +4247,36 @@ EPUBJS.Renderer.prototype.forwards = function(){
   var rendered;
   var section;
 
-  if(this.rendering) return;
-  console.log("going forwards")
-
   next = this.last().index + 1;
 
-  if(next === this.book.spine.length){
-    return;
+  if(this.rendering || next === this.book.spine.length){
+    rendered = new RSVP.defer();
+    rendered.reject({message: "reject forwards"});
+    return rendered.promise;
   }
+  console.log("going forwards")
+
+  this.rendering = true;
 
   section = this.book.spine.get(next);
   rendered = this.render(section);
-  this.rendering = true;
 
   rendered.then(function(){
-    console.log("last:", this.last().height)
+    // this.rendering = false;
+    var first = this.first();
+    var bounds = first.bounds();
+    var container = this.container.getBoundingClientRect();
+    var offset;
+    var prev = this.container.scrollTop;
+    if(this.views.length > this.settings.viewsLimit) {
+      
+      // Remove the item
+      this.remove(first);
 
-    this.rendering = false;
+      // Reset Position
+      this.infinite.scroll(0, prev - bounds.height, true)
+
+    }
   }.bind(this));
   
   return rendered;
@@ -4243,23 +4287,28 @@ EPUBJS.Renderer.prototype.backwards = function(view){
   var rendered;
   var section;
 
-  if(this.rendering) return;
-  console.log("going backwards")
 
   prev = this.first().index - 1;
-  if(prev < 0){
-    return; //TODO: should reject
+  if(this.rendering || prev < 0){
+    rendered = new RSVP.defer();
+    rendered.reject({message: "reject backwards"});
+    return rendered.promise;
   }
+  console.log("going backwards")
+
+  this.rendering = true;
 
   section = this.book.spine.get(prev);
   rendered = this.render(section);
-  this.rendering = true;
 
   rendered.then(function(){
-    this.rendering = false;
-    // -- this might want to be in infinite
-    this.container.scrollTop += this.first().height;
+    // this.container.scrollTop += this.first().height;
+    this.infinite.scrollBy(0, this.first().height, true);
 
+    if(this.views.length > this.settings.viewsLimit) {
+      last = this.last();
+      this.remove(last);
+    }
   }.bind(this));
 
   return rendered;
@@ -4270,31 +4319,45 @@ EPUBJS.Renderer.prototype.backwards = function(view){
 
 // -- this might want to be in infinite
 EPUBJS.Renderer.prototype.fill = function() {
-  var filling = this.backwards();
   var height = this.container.getBoundingClientRect().height;
-  
-  if(!filling) return;
-  
-  filling.then(function(){
+  var next = function(){
     var bottom = this.last().bounds().bottom;
-    while (height && bottom && bottom < height) {
-      this.forwards();
-    };
-  }.bind(this));
-};
+    var defer = new RSVP.defer();
+    var promise = defer.promise;
+
+    if (height && bottom && (bottom < height) && (this.last().index + 1 < this.book.spine.length)) {
+      return this.forwards().then(next);
+    } else {
+      this.rendering = false;
+      defer.resolve();
+      return promise;
+    }
+  }.bind(this);
+
+  
+  return next().
+    then(this.backwards.bind(this)).
+    then(function(){
+      this.rendering = false;
+    }.bind(this));
+
 
-EPUBJS.Renderer.prototype.jump = function(view){
-  this.views.push(view);
 };
 
 EPUBJS.Renderer.prototype.append = function(view){
+  var first, prevTop, prevHeight, offset;
+
   this.views.push(view);
   view.appendTo(this.container);
+
 };
 
 EPUBJS.Renderer.prototype.prepend = function(view){
+  var last;
+
   this.views.unshift(view);
   view.prependTo(this.container);
+
 };
 
 // Simple Insert
@@ -4307,13 +4370,17 @@ EPUBJS.Renderer.prototype.insert = function(view, index){
   } else if(index - this.last().index <= 0) {
     this.prepend(view);
   }
-
+  console.log("insert")
   // return position;
 };
 
 // Remove the render element and clean up listeners
-EPUBJS.Renderer.prototype.destroy = function() {
-  
+EPUBJS.Renderer.prototype.remove = function(view) {
+  var index = this.views.indexOf(view);
+  view.destroy();
+  if(index > -1) {
+    this.views.splice(index, 1);
+  }
 };
 
 EPUBJS.Renderer.prototype.first = function() {
@@ -4436,7 +4503,7 @@ EPUBJS.SpineItem.prototype.render = function(){
 EPUBJS.SpineItem.prototype.find = function(_query){
 
 };
-EPUBJS.View = function(options) {
+EPUBJS.View = function(width, height) {
   this.id = "epubjs-view:" + EPUBJS.core.uuid();
   this.loading = new RSVP.defer();
   this.loaded = this.loading.promise;
@@ -4451,9 +4518,10 @@ EPUBJS.View.prototype.load = function(contents) {
 
   this.document = this.iframe.contentDocument;
   
-  this.iframe.onload = function(e) {
+  this.iframe.addEventListener("load", function(event) {
+    var layout;
+    
     this.window = this.iframe.contentWindow;
-    this.window.addEventListener("resize", this.resized.bind(this), false);
     this.document = this.iframe.contentDocument;
   
     this.iframe.style.display = "block";
@@ -4463,15 +4531,25 @@ EPUBJS.View.prototype.load = function(contents) {
     this.document.body.style.display = "inline-block";    
 
     this.layout();
-    
-    // This needs to run twice to get to the correct size sometimes?
-    this.layout();
-    
+
     this.iframe.style.visibility = "visible";
 
+    setTimeout(function(){
+      this.window.addEventListener("resize", this.resized.bind(this), false);
+    }.bind(this), 10); // Wait to listen for resize events
+
+    this.document.fonts.onloading = function(){
+      console.log("loaded fonts");
+      // this.layout();
+    }.bind(this);
+
+    // this.observer = this.observe(this.document);
+
     loading.resolve(this);
     this.loading.resolve(this);
-  }.bind(this);
+    
+  }.bind(this));
+  
   
   // this.iframe.srcdoc = contents;
   this.document.open();
@@ -4481,11 +4559,6 @@ EPUBJS.View.prototype.load = function(contents) {
   return loaded;
 };
 
-
-EPUBJS.View.prototype.unload = function() {
-
-};
-
 EPUBJS.View.prototype.create = function() {
   this.iframe = document.createElement('iframe');
   this.iframe.id = this.id;
@@ -4493,16 +4566,19 @@ EPUBJS.View.prototype.create = function() {
   this.iframe.seamless = "seamless";
   // Back up if seamless isn't supported
   this.iframe.style.border = "none";
+
+  this.resizing = true;
   this.iframe.width = "100%";
-  this.iframe.style.height = "0";
+  this.iframe.style.height = "100%";
 
   this.iframe.style.display = "none";
   this.iframe.style.visibility = "hidden";
 
+
   return this.iframe;
 };
 
-EPUBJS.View.prototype.resized = function() {
+EPUBJS.View.prototype.resized = function(e) {
 
   if (!this.resizing) {
     this.layout();
@@ -4513,32 +4589,48 @@ EPUBJS.View.prototype.resized = function() {
 };
 
 EPUBJS.View.prototype.layout = function() {
-  var bounds = {}, content, width = 0, height = 0;
-
-  this.resizing = true;
+  var bounds;
+  console.log("layout")
   // Check bounds
   bounds = this.document.body.getBoundingClientRect();
 
+  if(!bounds || (bounds.height == 0 && bounds.width == 0)) {
+    console.error("View not shown");
+  }
+
   // Apply Changes
+  this.resizing = true;
   this.iframe.style.height = bounds.height + "px";
-  this.iframe.style.width = bounds.width + "px";
+  // this.iframe.style.width = bounds.width + "px";
 
   // Check again
-  content = this.document.body.getBoundingClientRect();
+  bounds = this.document.body.getBoundingClientRect();
+  this.resizing = true;
+  this.iframe.style.height = bounds.height + "px";
+  // this.iframe.style.width = bounds.width + "px";
 
-  height = content.height;
-  width = content.width;
+  this.width = bounds.width;
+  this.height = bounds.height;
 
-  this.width = width;
-  this.height = height;
-  
-  
-  // if(bounds.height != content.height || bounds.width != content.width) {
-  //   // this.layout();
-  //   console.log(bounds, content)
-  // }
-  
+};
 
+EPUBJS.View.prototype.observe = function(target) {
+  var renderer = this;
+
+  // create an observer instance
+  var observer = new MutationObserver(function(mutations) {
+    mutations.forEach(function(mutation) {
+      renderer.layout();
+    });    
+  });
+
+  // configuration of the observer:
+  var config = { attributes: true, childList: true, characterData: true, subtree: true };
+
+  // pass in the target node, as well as the observer options
+  observer.observe(target, config);
+
+  return observer;
 };
 
 EPUBJS.View.prototype.appendTo = function(element) {
@@ -4556,6 +4648,9 @@ EPUBJS.View.prototype.bounds = function() {
 };
 
 EPUBJS.View.prototype.destroy = function() {
+  // Stop observing
+  // this.observer.disconnect();
+  
   this.element.removeChild(this.iframe);
 };
 
diff --git a/dist/epub.min.js b/dist/epub.min.js
index 9b131fb..eea15e9 100644
--- a/dist/epub.min.js
+++ b/dist/epub.min.js
@@ -1,2 +1,2 @@
-"undefined"==typeof EPUBJS&&(("undefined"!=typeof window?window:this).EPUBJS={}),EPUBJS.VERSION="0.3.0",EPUBJS.Render={},function(e){"use strict";var t=function(e){return new EPUBJS.Book(e)};t.Render={register:function(e,r){t.Render[e]=r}},"object"==typeof exports?(e.RSVP=require("rsvp"),module.exports=t):"function"==typeof define&&define.amd?define(t):e.ePub=t}(this),function(e){var t,r;!function(){var e={},n={};t=function(t,r,n){e[t]={deps:r,callback:n}},r=function(t){function i(e){if("."!==e.charAt(0))return e;for(var r=e.split("/"),n=t.split("/").slice(0,-1),i=0,o=r.length;o>i;i++){var s=r[i];if(".."===s)n.pop();else{if("."===s)continue;n.push(s)}}return n.join("/")}if(n[t])return n[t];if(n[t]={},!e[t])throw new Error("Could not find module "+t);for(var o,s=e[t],a=s.deps,u=s.callback,c=[],p=0,h=a.length;h>p;p++)c.push("exports"===a[p]?o={}:r(i(a[p])));var l=u.apply(this,c);return n[t]=o||l},r.entries=e}(),t("rsvp/-internal",["./utils","./instrument","./config","exports"],function(e,t,r,n){"use strict";function i(){}function o(e){try{return e.then}catch(t){return J.error=t,J}}function s(e,t,r,n){try{e.call(t,r,n)}catch(i){return i}}function a(e,t,r){w.async(function(e){var n=!1,i=s(r,t,function(r){n||(n=!0,t!==r?p(e,r):l(e,r))},function(t){n||(n=!0,f(e,t))},"Settle: "+(e._label||" unknown promise"));!n&&i&&(n=!0,f(e,i))},e)}function u(e,t){e._onerror=null,t._state===x?l(e,t._result):e._state===U?f(e,t._result):d(t,void 0,function(r){t!==r?p(e,r):l(e,r)},function(t){f(e,t)})}function c(e,t){if(t instanceof e.constructor)u(e,t);else{var r=o(t);r===J?f(e,J.error):void 0===r?l(e,t):P(r)?a(e,t,r):l(e,t)}}function p(e,t){e===t?l(e,t):S(t)?c(e,t):l(e,t)}function h(e){e._onerror&&e._onerror(e._result),v(e)}function l(e,t){e._state===B&&(e._result=t,e._state=x,0===e._subscribers.length?w.instrument&&b("fulfilled",e):w.async(v,e))}function f(e,t){e._state===B&&(e._state=U,e._result=t,w.async(h,e))}function d(e,t,r,n){var i=e._subscribers,o=i.length;e._onerror=null,i[o]=t,i[o+x]=r,i[o+U]=n,0===o&&e._state&&w.async(v,e)}function v(e){var t=e._subscribers,r=e._state;if(w.instrument&&b(r===x?"fulfilled":"rejected",e),0!==t.length){for(var n,i,o=e._result,s=0;s<t.length;s+=3)n=t[s],i=t[s+r],n?y(r,n,i,o):i(o);e._subscribers.length=0}}function m(){this.error=null}function g(e,t){try{return e(t)}catch(r){return _.error=r,_}}function y(e,t,r,n){var i,o,s,a,u=P(r);if(u){if(i=g(r,n),i===_?(a=!0,o=i.error,i=null):s=!0,t===i)return void f(t,new TypeError("A promises callback cannot return that same promise."))}else i=n,s=!0;t._state!==B||(u&&s?p(t,i):a?f(t,o):e===x?l(t,i):e===U&&f(t,i))}function E(e,t){try{t(function(t){p(e,t)},function(t){f(e,t)})}catch(r){f(e,r)}}var S=e.objectOrFunction,P=e.isFunction,b=(e.now,t["default"]),w=r.config,B=void 0,x=1,U=2,J=new m,_=new m;n.noop=i,n.resolve=p,n.reject=f,n.fulfill=l,n.subscribe=d,n.publish=v,n.publishRejection=h,n.initializePromise=E,n.invokeCallback=y,n.FULFILLED=x,n.REJECTED=U}),t("rsvp/all-settled",["./enumerator","./promise","./utils","exports"],function(e,t,r,n){"use strict";function i(e,t,r){this._superConstructor(e,t,!1,r)}var o=e["default"],s=e.makeSettledResult,a=t["default"],u=r.o_create;i.prototype=u(o.prototype),i.prototype._superConstructor=o,i.prototype._makeResult=s,i.prototype._validationError=function(){return new Error("allSettled must be called with an array")},n["default"]=function(e,t){return new i(a,e,t).promise}}),t("rsvp/all",["./promise","exports"],function(e,t){"use strict";var r=e["default"];t["default"]=function(e,t){return r.all(e,t)}}),t("rsvp/asap",["exports"],function(e){"use strict";function t(){return function(){process.nextTick(o)}}function r(){var e=0,t=new c(o),r=document.createTextNode("");return t.observe(r,{characterData:!0}),function(){r.data=e=++e%2}}function n(){var e=new MessageChannel;return e.port1.onmessage=o,function(){e.port2.postMessage(0)}}function i(){return function(){setTimeout(o,1)}}function o(){for(var e=0;s>e;e+=2){var t=h[e],r=h[e+1];t(r),h[e]=void 0,h[e+1]=void 0}s=0}var s=0;e["default"]=function(e,t){h[s]=e,h[s+1]=t,s+=2,2===s&&a()};var a,u="undefined"!=typeof window?window:{},c=u.MutationObserver||u.WebKitMutationObserver,p="undefined"!=typeof Uint8ClampedArray&&"undefined"!=typeof importScripts&&"undefined"!=typeof MessageChannel,h=new Array(1e3);a="undefined"!=typeof process&&"[object process]"==={}.toString.call(process)?t():c?r():p?n():i()}),t("rsvp/config",["./events","exports"],function(e,t){"use strict";function r(e,t){return"onerror"===e?void i.on("error",t):2!==arguments.length?i[e]:void(i[e]=t)}var n=e["default"],i={instrument:!1};n.mixin(i),t.config=i,t.configure=r}),t("rsvp/defer",["./promise","exports"],function(e,t){"use strict";var r=e["default"];t["default"]=function(e){var t={};return t.promise=new r(function(e,r){t.resolve=e,t.reject=r},e),t}}),t("rsvp/enumerator",["./utils","./-internal","exports"],function(e,t,r){"use strict";function n(e,t,r){return e===h?{state:"fulfilled",value:r}:{state:"rejected",reason:r}}function i(e,t,r,n){this._instanceConstructor=e,this.promise=new e(a,n),this._abortOnReject=r,this._validateInput(t)?(this._input=t,this.length=t.length,this._remaining=t.length,this._init(),0===this.length?c(this.promise,this._result):(this.length=this.length||0,this._enumerate(),0===this._remaining&&c(this.promise,this._result))):u(this.promise,this._validationError())}var o=e.isArray,s=e.isMaybeThenable,a=t.noop,u=t.reject,c=t.fulfill,p=t.subscribe,h=t.FULFILLED,l=t.REJECTED,f=t.PENDING,d=!0;r.ABORT_ON_REJECTION=d,r.makeSettledResult=n,i.prototype._validateInput=function(e){return o(e)},i.prototype._validationError=function(){return new Error("Array Methods must be provided an Array")},i.prototype._init=function(){this._result=new 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s},EPUBJS.EpubCFI.prototype.compare=function(e,t){if("string"==typeof e&&(e=new EPUBJS.EpubCFI(e)),"string"==typeof t&&(t=new EPUBJS.EpubCFI(t)),e.spinePos>t.spinePos)return 1;if(e.spinePos<t.spinePos)return-1;for(var r=0;r<e.steps.length;r++){if(!t.steps[r])return 1;if(e.steps[r].index>t.steps[r].index)return 1;if(e.steps[r].index<t.steps[r].index)return-1}return e.steps.length<t.steps.length?-1:e.characterOffset>t.characterOffset?1:e.characterOffset<t.characterOffset?-1:0},EPUBJS.EpubCFI.prototype.generateCfiFromHref=function(e,t){var r,n,i=EPUBJS.core.uri(e),o=i.path,s=i.fragment,a=t.spineIndexByURL[o],u=new RSVP.defer,c=new EPUBJS.EpubCFI;return"undefined"!=typeof a&&(n=t.spine[a],r=t.loadXml(n.url),r.then(function(e){var t,r=e.getElementById(s);t=c.generateCfiFromElement(r,n.cfiBase),u.resolve(t)})),u.promise},EPUBJS.EpubCFI.prototype.generateCfiFromTextNode=function(e,t,r){var n=e.parentNode,i=this.pathTo(n),o=this.generatePathComponent(i),s=1+2*Array.prototype.indexOf.call(n.childNodes,e);return"epubcfi("+r+"!"+o+"/"+s+":"+(t||0)+")"},EPUBJS.EpubCFI.prototype.generateCfiFromRangeAnchor=function(e,t){var r=e.anchorNode,n=e.anchorOffset;return this.generateCfiFromTextNode(r,n,t)},EPUBJS.EpubCFI.prototype.generateCfiFromRange=function(e,t){var r,n,i,o,s,a,u,c,p,h,l,f;if(r=e.startContainer,3===r.nodeType)n=r.parentNode,a=1+2*EPUBJS.core.indexOfTextNode(r),i=this.pathTo(n);else{if(e.collapsed)return this.generateCfiFromElement(r,t);i=this.pathTo(r)}return o=this.generatePathComponent(i),s=e.startOffset,e.collapsed?"epubcfi("+t+"!"+o+"/"+a+":"+s+")":(u=e.endContainer,3===u.nodeType?(c=u.parentNode,f=1+2*EPUBJS.core.indexOfTextNode(u),p=this.pathTo(c)):p=this.pathTo(u),h=this.generatePathComponent(p),l=e.endOffset,"epubcfi("+t+"!"+o+"/"+a+":"+s+","+h+"/"+f+":"+l+")")},EPUBJS.EpubCFI.prototype.generateXpathFromSteps=function(e){var t=[".","*"];return 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this.hooks)t=EPUBJS.hooks[r],t&&(e=EPUBJS.core.values(),e.forEach(function(e){this.registerHook(r,e)},this))},e.prototype.registerHook=function(e,t,r){"undefined"!=typeof this.hooks[e]?"function"==typeof t?r?this.hooks[e].unshift(t):this.hooks[e].push(t):Array.isArray(t)&&t.forEach(function(t){r?this.hooks[e].unshift(t):this.hooks[e].push(t)},this):this.hooks[e]=[func]},e.prototype.triggerHooks=function(e,t,r){function n(){o--,0>=o&&t&&t()}var i,o;return"undefined"==typeof this.hooks[e]?!1:(i=this.hooks[e],o=i.length,0===o&&t&&t(),void i.forEach(function(e){e(n,r)}))},{register:function(e){if(void 0===EPUBJS.hooks[e]&&(EPUBJS.hooks[e]={}),"object"!=typeof EPUBJS.hooks[e])throw"Already registered: "+e;return EPUBJS.hooks[e]},mixin:function(t){for(var r in e.prototype)t[r]=e.prototype[r]}}}(),EPUBJS.Infinite=function(e,t){this.container=e,this.windowHeight=window.innerHeight,this.tick=window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame,this.scrolled=!1,this.ignore=!1,this.displaying=!1,this.offset=250,this.views=[],this.renderer=t,this.prevScrollTop=0},EPUBJS.Infinite.prototype.start=function(){this.container.addEventListener("scroll",function(){this.ignore?this.ignore=!1:this.scrolled=!0}.bind(this)),window.addEventListener("unload",function(){this.ignore=!0}),this.tick.call(window,this.check.bind(this)),this.scrolled=!1},EPUBJS.Infinite.prototype.forwards=function(){this.trigger("forwards")},EPUBJS.Infinite.prototype.backwards=function(){this.trigger("backwards")},EPUBJS.Infinite.prototype.check=function(){if(this.scrolled&&!this.displaying){var e=this.container.scrollTop,t=this.container.scrollHeight,r=e-this.prevScrollTop,n=this.container.getBoundingClientRect().height,i=n-(t-e)>-this.offset,o=e<this.offset;i&&r>0?this.forwards():o&&0>r&&this.backwards(),this.prevScrollTop=e,this.scrolled=!1}this.tick.call(window,this.check.bind(this))},RSVP.EventTarget.mixin(EPUBJS.Infinite.prototype),EPUBJS.Layout=function(){},EPUBJS.Layout.prototype.reconcileLayoutSettings=function(e,t){var r={};for(var n in e)e.hasOwnProperty(n)&&(r[n]=e[n]);return t.forEach(function(e){var t,n,i=e.replace("rendition:",""),o=i.indexOf("-");-1!=o&&(t=i.slice(0,o),n=i.slice(o+1),r[t]=n)}),r},EPUBJS.Layout.prototype.determineLayout=function(e){var t=this.determineSpreads(this.minSpreadWidth),r=t?"ReflowableSpreads":"Reflowable",n=!1;return"pre-paginated"===e.layout&&(r="Fixed",n=!0,t=!1),"reflowable"===e.layout&&"none"===e.spread&&(r="Reflowable",n=!1,t=!1),"reflowable"===e.layout&&"both"===e.spread&&(r="ReflowableSpreads",n=!1,t=!0),this.spreads=t,this.render.scroll(n),this.trigger("renderer:spreads",t),r},EPUBJS.Layout.prototype.applyStyles=function(e){for(var t in e)for(var r in this.views)r.setStyle(t,e[t])},EPUBJS.Layout.prototype.setStyle=function(e,t,r){for(var n in this.views)n.setStyle(e,t,r)},EPUBJS.Layout.prototype.removeStyle=function(e){for(var t in this.views)t.removeStyle(e)},EPUBJS.Layout.prototype.applyHeadTags=function(e){for(var t in e)this.render.addHeadTag(t,e[t])},EPUBJS.Navigation=function(e,t){var r=this,n=new EPUBJS.Parser,i=t||EPUBJS.core.request;this.package=e,this.toc=[],this.tocByHref={},this.tocById={},e.navPath&&(this.navUrl=e.baseUrl+e.navPath,this.nav={},this.nav.load=function(){var e=new RSVP.defer,t=e.promise;return i(r.navUrl,"xml").then(function(t){r.toc=n.nav(t),r.loaded(r.toc),e.resolve(r.toc)}),t}),e.ncxPath&&(this.ncxUrl=e.baseUrl+e.ncxPath,this.ncx={},this.ncx.load=function(){var e=new RSVP.defer,t=e.promise;return i(r.ncxUrl,"xml").then(function(t){r.toc=n.ncx(t),r.loaded(r.toc),e.resolve(r.toc)}),t})},EPUBJS.Navigation.prototype.load=function(e){{var t;e||EPUBJS.core.request}return this.nav?t=this.nav.load():this.ncx&&(t=this.ncx.load()),t},EPUBJS.Navigation.prototype.loaded=function(e){for(var t,r=0;r<e.length;r++){var t=e[r];this.tocByHref[t.href]=r,this.tocById[t.id]=r}},EPUBJS.Navigation.prototype.get=function(e){var t;return e?(0===e.indexOf("#")?t=this.tocById[e.substring(1)]:e in this.tocByHref&&(t=this.tocByHref[e]),this.toc[t]):this.toc},EPUBJS.Parser=function(){},EPUBJS.Parser.prototype.container=function(e){var t,r,n,i;return e?(t=e.querySelector("rootfile"))?(r=t.getAttribute("full-path"),n=EPUBJS.core.uri(r).directory,i=e.xmlEncoding,{packagePath:r,basePath:n,encoding:i}):void console.error("No RootFile Found"):void console.error("Container File Not Found")},EPUBJS.Parser.prototype.identifier=function(e){var t;return e?(t=e.querySelector("metadata"),t?this.getElementText(t,"identifier"):void console.error("No Metadata Found")):void console.error("Package File Not Found")
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t?t.getAttribute("href"):!1},EPUBJS.Parser.prototype.metadata=function(e){var t={},r=this;return t.title=r.getElementText(e,"title"),t.creator=r.getElementText(e,"creator"),t.description=r.getElementText(e,"description"),t.pubdate=r.getElementText(e,"date"),t.publisher=r.getElementText(e,"publisher"),t.identifier=r.getElementText(e,"identifier"),t.language=r.getElementText(e,"language"),t.rights=r.getElementText(e,"rights"),t.modified_date=r.querySelectorText(e,"meta[property='dcterms:modified']"),t.layout=r.querySelectorText(e,"meta[property='rendition:layout']"),t.orientation=r.querySelectorText(e,"meta[property='rendition:orientation']"),t.spread=r.querySelectorText(e,"meta[property='rendition:spread']"),t},EPUBJS.Parser.prototype.getElementText=function(e,t){var r,n=e.getElementsByTagNameNS("http://purl.org/dc/elements/1.1/",t);return n&&0!==n.length?(r=n[0],r.childNodes.length?r.childNodes[0].nodeValue:""):""},EPUBJS.Parser.prototype.querySelectorText=function(e,t){var r=e.querySelector(t);return r&&r.childNodes.length?r.childNodes[0].nodeValue:""},EPUBJS.Parser.prototype.manifest=function(e){var t={},r=e.querySelectorAll("item"),n=Array.prototype.slice.call(r);return n.forEach(function(e){var r=e.getAttribute("id"),n=e.getAttribute("href")||"",i=e.getAttribute("media-type")||"",o=e.getAttribute("properties")||"";t[r]={href:n,type:i,properties:o}}),t},EPUBJS.Parser.prototype.spine=function(e){var t=[],r=e.getElementsByTagName("itemref"),n=Array.prototype.slice.call(r);return n.forEach(function(e,r){var n=e.getAttribute("idref"),i=e.getAttribute("properties")||"",o=i.length?i.split(" "):[],s={idref:n,linear:e.getAttribute("linear")||"",properties:o,index:r};t.push(s)}),t},EPUBJS.Parser.prototype.nav=function(e){function t(e){var t=[];return Array.prototype.slice.call(e.childNodes).forEach(function(e){"ol"==e.tagName&&Array.prototype.slice.call(e.childNodes).forEach(function(e){"li"==e.tagName&&t.push(e)})}),t}function r(e){var t=null;return Array.prototype.slice.call(e.childNodes).forEach(function(e){("a"==e.tagName||"span"==e.tagName)&&(t=e)}),t}function n(e){var i=[],o=t(e),s=Array.prototype.slice.call(o),a=s.length;return 0===a?!1:(s.forEach(function(t){var o=t.getAttribute("id")||!1,s=r(t),a=s.getAttribute("href")||"",u=s.textContent||"",c=a.split("#"),p=(c[0],n(t));i.push({id:o,href:a,label:u,subitems:p,parent:e?e.getAttribute("id"):null})}),i)}var i=e.querySelector('nav[*|type="toc"]');return i?n(i):[]},EPUBJS.Parser.prototype.ncx=function(e){function t(r){var n=[],i=e.evaluate("*[local-name()='navPoint']",r,null,XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,null),o=i.snapshotLength;if(0===o)return[];for(var s=o-1;s>=0;s--){var a=i.snapshotItem(s),u=a.getAttribute("id")||!1,c=a.querySelector("content"),p=c.getAttribute("src"),h=a.querySelector("navLabel"),l=h.textContent?h.textContent:"",f=p.split("#"),d=(f[0],t(a));n.unshift({id:u,href:p,label:l,subitems:d,parent:r?r.getAttribute("id"):null})}return n}var r=e.querySelector("navMap");return r?t(r):[]},EPUBJS.Renderer=function(e,t){var r=t||{};this.settings={hidden:r.hidden||!1,viewLimit:3,width:r.width||!1,height:r.height||!1},this.book=e,this.epubcfi=new EPUBJS.EpubCFI,this.layoutSettings={},EPUBJS.Hooks.mixin(this),this.getHooks("beforeChapterDisplay"),this._q=EPUBJS.core.queue(this),this.position=1,this.initialize({width:this.settings.width,height:this.settings.height,hidden:!0}),this.rendering=!1,this.views=[],this.positions=[]},EPUBJS.Renderer.prototype.initialize=function(e){{var t=e||{},r=t.height?t.height+"px":"100%",n=t.width?t.width+"px":"100%";t.hidden||!1}return this.container=document.createElement("div"),this.infinite=new EPUBJS.Infinite(this.container,this),this.container.style.width=n,this.container.style.height=r,this.container.style.overflow="scroll",t.hidden?(this.wrapper=document.createElement("div"),this.wrapper.style.visibility="hidden",this.wrapper.style.overflow="hidden",this.wrapper.style.width="0",this.wrapper.style.height="0",this.wrapper.appendChild(this.container),this.wrapper):this.container},EPUBJS.Renderer.prototype.resize=function(e,t){var r=e,n=t;e||(r=window.innerWidth),t||(n=window.innerHeight),this.container.style.width=r+"px",this.container.style.height=n+"px",this.trigger("resized",{width:this.width,height:this.height})},EPUBJS.Renderer.prototype.onResized=function(){var e=this.element.getBoundingClientRect();this.resize(e.width,e.height)},EPUBJS.Renderer.prototype.attachTo=function(e){var t;return EPUBJS.core.isElement(e)?this.element=e:"string"==typeof e&&(this.element=document.getElementById(e)),this.element?(this.element.appendChild(this.container),this.settings.height||this.settings.width||(t=this.element.getBoundingClientRect(),this.resize(t.width,t.height)),this.infinite.start(),this.infinite.on("forwards",this.forwards.bind(this)),this.infinite.on("backwards",this.backwards.bind(this)),void window.addEventListener("resize",this.onResized.bind(this),!1)):void console.error("Not an Element")},EPUBJS.Renderer.prototype.clear=function(){this.views.forEach(function(e){e.destroy()}),this.views=[]},EPUBJS.Renderer.prototype.display=function(e){var t=new RSVP.defer,r=t.promise;return this.clear(),this.book.opened.then(function(){var r=this.book.spine.get(e),n=this.render(r);n.then(function(){this.fill(),t.resolve(this)}.bind(this))}.bind(this)),r},EPUBJS.Renderer.prototype.render=function(e){var t,r=new EPUBJS.View;return e?(t=e.render(),r.index=e.index,this.insert(r,e.index),t.then(function(e){return r.load(e)})):void t.reject()},EPUBJS.Renderer.prototype.forwards=function(){var e,t,r;return this.rendering||(console.log("going forwards"),e=this.last().index+1,e===this.book.spine.length)?void 0:(r=this.book.spine.get(e),t=this.render(r),this.rendering=!0,t.then(function(){console.log("last:",this.last().height),this.rendering=!1}.bind(this)),t)},EPUBJS.Renderer.prototype.backwards=function(){var e,t,r;return this.rendering||(console.log("going backwards"),e=this.first().index-1,0>e)?void 0:(r=this.book.spine.get(e),t=this.render(r),this.rendering=!0,t.then(function(){this.rendering=!1,this.container.scrollTop+=this.first().height}.bind(this)),t)},EPUBJS.Renderer.prototype.fill=function(){var e=this.backwards(),t=this.container.getBoundingClientRect().height;e&&e.then(function(){for(var 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EPUBJS.EpubCFI,this.spineItems=[],this.spineByHref={},this.spineById={},this.items.forEach(function(e,t){var r,n,i,o=this.epubcfi.generateChapterComponent(this.spineNodeIndex,e.index,e.idref),s=this.manifest[e.idref];s&&(r=s.href,n=this.baseUrl+r),i=new EPUBJS.SpineItem(e,r,n,o),this.spineItems.push(i),this.spineByHref[i.href]=t,this.spineById[i.idref]=t}.bind(this))},EPUBJS.Spine.prototype.get=function(e){var t=0;return!e||"number"!=typeof e&&isNaN(e)!==!1?e&&0===e.indexOf("#")?t=this.spineById[e.substring(1)]:e&&(t=this.spineByHref[e]):t=e,this.spineItems[t]},EPUBJS.SpineItem=function(e,t,r,n){this.idref=e.idref,this.linear=e.linear,this.properties=e.properties,this.index=e.index,this.href=t,this.url=r,this.cfiBase=n},EPUBJS.SpineItem.prototype.load=function(e){var t=e||this.request||EPUBJS.core.request,r=new RSVP.defer,n=r.promise;return 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r},EPUBJS.EpubCFI.prototype.getChapterComponent=function(e){var t=e.split("!");return t[0]},EPUBJS.EpubCFI.prototype.getPathComponent=function(e){var t=e.split("!"),r=t[1]?t[1].split(":"):"";return r[0]},EPUBJS.EpubCFI.prototype.getCharecterOffsetComponent=function(e){var t=e.split(":");return t[1]||""},EPUBJS.EpubCFI.prototype.parse=function(e){var t,r,n,i,o,s,a,u,c,h={},p=function(e){var t,r,n,i;return t="element",r=parseInt(e)/2-1,n=e.match(/\[(.*)\]/),n&&n[1]&&(i=n[1]),{type:t,index:r,id:i||!1}};return"string"!=typeof e?{spinePos:-1}:(h.str=e,0===e.indexOf("epubcfi(")&&")"===e[e.length-1]&&(e=e.slice(8,e.length-1)),r=this.getChapterComponent(e),n=this.getPathComponent(e)||"",i=this.getCharecterOffsetComponent(e),r&&(t=r.split("/")[2]||"")?(h.spinePos=parseInt(t)/2-1||0,s=t.match(/\[(.*)\]/),h.spineId=s?s[1]:!1,-1!=n.indexOf(",")&&console.warn("CFI Ranges are not supported"),a=n.split("/"),u=a.pop(),h.steps=[],a.forEach(function(e){var 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r.id="EPUBJS-CFI-MARKER:"+EPUBJS.core.uuid(),r.classList.add("EPUBJS-CFI-MARKER"),r},EPUBJS.EpubCFI.prototype.removeMarker=function(e,t){e.classList.contains("EPUBJS-CFI-SPLIT")?(nextSib=e.nextSibling,prevSib=e.previousSibling,nextSib&&prevSib&&3===nextSib.nodeType&&3===prevSib.nodeType&&(prevSib.textContent+=nextSib.textContent,e.parentNode.removeChild(nextSib)),e.parentNode.removeChild(e)):e.classList.contains("EPUBJS-CFI-MARKER")&&e.parentNode.removeChild(e)},EPUBJS.EpubCFI.prototype.findParent=function(e,t){var r,n,i,o=t||document,s=o.getElementsByTagName("html")[0],a=Array.prototype.slice.call(s.children);if("string"==typeof e&&(e=this.parse(e)),n=e.steps.slice(0),!n.length)return o.getElementsByTagName("body")[0];for(;n&&n.length>0;){if(r=n.shift(),"text"===r.type?(i=s.childNodes[r.index],s=i.parentNode||s):s=r.id?o.getElementById(r.id):a[r.index],"undefined"==typeof s)return console.error("No Element For",r,e.str),!1;a=Array.prototype.slice.call(s.children)}return 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e=this.container.scrollTop,t=(this.container.scrollLeft,this.container.scrollHeight),r=(this.container.scrollWidth,e-this.prevScrollTop),n=this.container.getBoundingClientRect().height,i=e+this.offset>t-n,o=e<this.offset;i&&r>0?this.forwards():o&&0>r&&this.backwards(),this.prevScrollTop=e,this.scrolled=!1}else this.displaying=!1,this.scrolled=!1;this.tick.call(window,this.check.bind(this))},EPUBJS.Infinite.prototype.scrollBy=function(e,t,r){r&&(this.displaying=!0),this.container.scrollLeft+=e,this.container.scrollTop+=t},EPUBJS.Infinite.prototype.scroll=function(e,t,r){r&&(this.displaying=!0),this.container.scrollLeft=e,this.container.scrollTop=t},RSVP.EventTarget.mixin(EPUBJS.Infinite.prototype),EPUBJS.Layout=function(){},EPUBJS.Layout.prototype.reconcileLayoutSettings=function(e,t){var r={};for(var n in e)e.hasOwnProperty(n)&&(r[n]=e[n]);return t.forEach(function(e){var 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+},EPUBJS.Parser.prototype.identifier=function(e){var t;return e?(t=e.querySelector("metadata"),t?this.getElementText(t,"identifier"):void console.error("No Metadata Found")):void console.error("Package File Not Found")},EPUBJS.Parser.prototype.packageContents=function(e){var t,r,n,i,o,s,a,u,c,h=this;return e?(t=e.querySelector("metadata"))?(r=e.querySelector("manifest"))?(n=e.querySelector("spine"))?(i=h.manifest(r),o=h.findNavPath(r),s=h.findNcxPath(r),a=h.findCoverPath(r),u=Array.prototype.indexOf.call(n.parentNode.childNodes,n),c=h.spine(n,i),{metadata:h.metadata(t),spine:c,manifest:i,navPath:o,ncxPath:s,coverPath:a,spineNodeIndex:u}):void console.error("No Spine Found"):void console.error("No Manifest Found"):void console.error("No Metadata Found"):void console.error("Package File Not Found")},EPUBJS.Parser.prototype.findNavPath=function(e){var t=e.querySelector("item[properties^='nav']");return t?t.getAttribute("href"):!1},EPUBJS.Parser.prototype.findNcxPath=function(e){var t=e.querySelector("item[media-type='application/x-dtbncx+xml']");return t?t.getAttribute("href"):!1},EPUBJS.Parser.prototype.findCoverPath=function(e){var t=e.querySelector("item[properties='cover-image']");return t?t.getAttribute("href"):!1},EPUBJS.Parser.prototype.metadata=function(e){var t={},r=this;return t.title=r.getElementText(e,"title"),t.creator=r.getElementText(e,"creator"),t.description=r.getElementText(e,"description"),t.pubdate=r.getElementText(e,"date"),t.publisher=r.getElementText(e,"publisher"),t.identifier=r.getElementText(e,"identifier"),t.language=r.getElementText(e,"language"),t.rights=r.getElementText(e,"rights"),t.modified_date=r.querySelectorText(e,"meta[property='dcterms:modified']"),t.layout=r.querySelectorText(e,"meta[property='rendition:layout']"),t.orientation=r.querySelectorText(e,"meta[property='rendition:orientation']"),t.spread=r.querySelectorText(e,"meta[property='rendition:spread']"),t},EPUBJS.Parser.prototype.getElementText=function(e,t){var r,n=e.getElementsByTagNameNS("http://purl.org/dc/elements/1.1/",t);return n&&0!==n.length?(r=n[0],r.childNodes.length?r.childNodes[0].nodeValue:""):""},EPUBJS.Parser.prototype.querySelectorText=function(e,t){var r=e.querySelector(t);return r&&r.childNodes.length?r.childNodes[0].nodeValue:""},EPUBJS.Parser.prototype.manifest=function(e){var t={},r=e.querySelectorAll("item"),n=Array.prototype.slice.call(r);return n.forEach(function(e){var r=e.getAttribute("id"),n=e.getAttribute("href")||"",i=e.getAttribute("media-type")||"",o=e.getAttribute("properties")||"";t[r]={href:n,type:i,properties:o}}),t},EPUBJS.Parser.prototype.spine=function(e){var t=[],r=e.getElementsByTagName("itemref"),n=Array.prototype.slice.call(r);return n.forEach(function(e,r){var n=e.getAttribute("idref"),i=e.getAttribute("properties")||"",o=i.length?i.split(" "):[],s={idref:n,linear:e.getAttribute("linear")||"",properties:o,index:r};t.push(s)}),t},EPUBJS.Parser.prototype.nav=function(e){function t(e){var t=[];return Array.prototype.slice.call(e.childNodes).forEach(function(e){"ol"==e.tagName&&Array.prototype.slice.call(e.childNodes).forEach(function(e){"li"==e.tagName&&t.push(e)})}),t}function r(e){var t=null;return Array.prototype.slice.call(e.childNodes).forEach(function(e){("a"==e.tagName||"span"==e.tagName)&&(t=e)}),t}function n(e){var i=[],o=t(e),s=Array.prototype.slice.call(o),a=s.length;return 0===a?!1:(s.forEach(function(t){var o=t.getAttribute("id")||!1,s=r(t),a=s.getAttribute("href")||"",u=s.textContent||"",c=a.split("#"),h=(c[0],n(t));i.push({id:o,href:a,label:u,subitems:h,parent:e?e.getAttribute("id"):null})}),i)}var i=e.querySelector('nav[*|type="toc"]');return i?n(i):[]},EPUBJS.Parser.prototype.ncx=function(e){function t(r){var n=[],i=e.evaluate("*[local-name()='navPoint']",r,null,XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,null),o=i.snapshotLength;if(0===o)return[];for(var s=o-1;s>=0;s--){var a=i.snapshotItem(s),u=a.getAttribute("id")||!1,c=a.querySelector("content"),h=c.getAttribute("src"),p=a.querySelector("navLabel"),l=p.textContent?p.textContent:"",f=h.split("#"),d=(f[0],t(a));n.unshift({id:u,href:h,label:l,subitems:d,parent:r?r.getAttribute("id"):null})}return n}var r=e.querySelector("navMap");return r?t(r):[]},EPUBJS.Renderer=function(e,t){var r=t||{};this.settings={hidden:r.hidden||!1,viewsLimit:4,width:r.width||!1,height:r.height||!1},this.book=e,this.epubcfi=new EPUBJS.EpubCFI,this.layoutSettings={},EPUBJS.Hooks.mixin(this),this.getHooks("beforeChapterDisplay"),this._q=EPUBJS.core.queue(this),this.position=1,this.initialize({width:this.settings.width,height:this.settings.height,hidden:!0}),this.rendering=!1,this.views=[],this.positions=[]},EPUBJS.Renderer.prototype.initialize=function(e){{var t=e||{},r=t.height?t.height+"px":"100%",n=t.width?t.width+"px":"100%";t.hidden||!1}return this.container=document.createElement("div"),this.infinite=new EPUBJS.Infinite(this.container,this),this.container.style.width=n,this.container.style.height=r,this.container.style.overflow="scroll",t.hidden?(this.wrapper=document.createElement("div"),this.wrapper.style.visibility="hidden",this.wrapper.style.overflow="hidden",this.wrapper.style.width="0",this.wrapper.style.height="0",this.wrapper.appendChild(this.container),this.wrapper):this.container},EPUBJS.Renderer.prototype.resize=function(e,t){var r=e,n=t;e||(r=window.innerWidth),t||(n=window.innerHeight),this.container.style.width=r+"px",this.container.style.height=n+"px",this.trigger("resized",{width:this.width,height:this.height})},EPUBJS.Renderer.prototype.onResized=function(){var e=this.element.getBoundingClientRect();this.resize(e.width,e.height)},EPUBJS.Renderer.prototype.attachTo=function(e){var t;return EPUBJS.core.isElement(e)?this.element=e:"string"==typeof e&&(this.element=document.getElementById(e)),this.element?(this.element.appendChild(this.container),this.settings.height||this.settings.width||(t=this.element.getBoundingClientRect(),this.resize(t.width,t.height)),this.infinite.start(),this.infinite.on("forwards",function(){this.rendering||this.forwards()}.bind(this)),this.infinite.on("backwards",function(){this.rendering||this.backwards()}.bind(this)),void window.addEventListener("resize",this.onResized.bind(this),!1)):void console.error("Not an Element")},EPUBJS.Renderer.prototype.clear=function(){this.views.forEach(function(e){e.destroy()}),this.views=[]},EPUBJS.Renderer.prototype.display=function(e){var t=new RSVP.defer,r=t.promise;return this.clear(),this.book.opened.then(function(){var r=this.book.spine.get(e),n=this.render(r);n.then(this.fill.bind(this)).then(function(){t.resolve(this)}.bind(this))}.bind(this)),r},EPUBJS.Renderer.prototype.render=function(e){var t,r=new EPUBJS.View;return e?(t=e.render(),r.index=e.index,t.then(function(t){return this.insert(r,e.index),r.load(t)}.bind(this)).then(function(){return this.rendering=!1,r}.bind(this))):void t.reject()},EPUBJS.Renderer.prototype.forwards=function(){var e,t,r;return e=this.last().index+1,this.rendering||e===this.book.spine.length?(t=new RSVP.defer,t.reject({message:"reject forwards"}),t.promise):(console.log("going forwards"),this.rendering=!0,r=this.book.spine.get(e),t=this.render(r),t.then(function(){var e=this.first(),t=e.bounds(),r=(this.container.getBoundingClientRect(),this.container.scrollTop);this.views.length>this.settings.viewsLimit&&(this.remove(e),this.infinite.scroll(0,r-t.height,!0))}.bind(this)),t)},EPUBJS.Renderer.prototype.backwards=function(){var e,t,r;return e=this.first().index-1,this.rendering||0>e?(t=new RSVP.defer,t.reject({message:"reject backwards"}),t.promise):(console.log("going backwards"),this.rendering=!0,r=this.book.spine.get(e),t=this.render(r),t.then(function(){this.infinite.scrollBy(0,this.first().height,!0),this.views.length>this.settings.viewsLimit&&(last=this.last(),this.remove(last))}.bind(this)),t)},EPUBJS.Renderer.prototype.fill=function(){var e=this.container.getBoundingClientRect().height,t=function(){var r=this.last().bounds().bottom,n=new RSVP.defer,i=n.promise;return e&&r&&e>r&&this.last().index+1<this.book.spine.length?this.forwards().then(t):(this.rendering=!1,n.resolve(),i)}.bind(this);return t().then(this.backwards.bind(this)).then(function(){this.rendering=!1}.bind(this))},EPUBJS.Renderer.prototype.append=function(e){this.views.push(e),e.appendTo(this.container)},EPUBJS.Renderer.prototype.prepend=function(e){this.views.unshift(e),e.prependTo(this.container)},EPUBJS.Renderer.prototype.insert=function(e,t){this.first()?t-this.first().index>=0?this.append(e):t-this.last().index<=0&&this.prepend(e):this.append(e),console.log("insert")},EPUBJS.Renderer.prototype.remove=function(e){var t=this.views.indexOf(e);e.destroy(),t>-1&&this.views.splice(t,1)},EPUBJS.Renderer.prototype.first=function(){return this.views[0]},EPUBJS.Renderer.prototype.last=function(){return this.views[this.views.length-1]},RSVP.EventTarget.mixin(EPUBJS.Renderer.prototype),EPUBJS.Spine=function(e,t){this.items=e.spine,this.manifest=e.manifest,this.spineNodeIndex=e.spineNodeIndex,this.baseUrl=e.baseUrl||"",this.request=t,this.length=this.items.length,this.epubcfi=new EPUBJS.EpubCFI,this.spineItems=[],this.spineByHref={},this.spineById={},this.items.forEach(function(e,t){var r,n,i,o=this.epubcfi.generateChapterComponent(this.spineNodeIndex,e.index,e.idref),s=this.manifest[e.idref];s&&(r=s.href,n=this.baseUrl+r),i=new EPUBJS.SpineItem(e,r,n,o),this.spineItems.push(i),this.spineByHref[i.href]=t,this.spineById[i.idref]=t}.bind(this))},EPUBJS.Spine.prototype.get=function(e){var t=0;return!e||"number"!=typeof e&&isNaN(e)!==!1?e&&0===e.indexOf("#")?t=this.spineById[e.substring(1)]:e&&(t=this.spineByHref[e]):t=e,this.spineItems[t]},EPUBJS.SpineItem=function(e,t,r,n){this.idref=e.idref,this.linear=e.linear,this.properties=e.properties,this.index=e.index,this.href=t,this.url=r,this.cfiBase=n},EPUBJS.SpineItem.prototype.load=function(e){var t=e||this.request||EPUBJS.core.request,r=new RSVP.defer,n=r.promise;return this.contents?r.resolve(this.contents):t(this.url,"xml").then(function(e){EPUBJS.core.folder(this.url);this.document=e,this.contents=e.documentElement,this.replacements(this.document),r.resolve(this.contents)}.bind(this)),n},EPUBJS.SpineItem.prototype.replacements=function(e){var t=e.createElement("base");t.setAttribute("href",this.url),e.head.insertBefore(t,e.head.firstChild)},EPUBJS.SpineItem.prototype.render=function(){var e=new RSVP.defer,t=e.promise;return this.load().then(function(t){var r=new XMLSerializer,n=r.serializeToString(t);e.resolve(n)}),t},EPUBJS.SpineItem.prototype.find=function(){},EPUBJS.View=function(){this.id="epubjs-view:"+EPUBJS.core.uuid(),this.loading=new RSVP.defer,this.loaded=this.loading.promise,this.iframe=this.create(),this.height,this.width},EPUBJS.View.prototype.load=function(e){var t=new RSVP.defer,r=t.promise;return this.document=this.iframe.contentDocument,this.iframe.addEventListener("load",function(){this.window=this.iframe.contentWindow,this.document=this.iframe.contentDocument,this.iframe.style.display="block",this.document.body.style.margin="0",this.document.body.style.display="inline-block",this.layout(),this.iframe.style.visibility="visible",setTimeout(function(){this.window.addEventListener("resize",this.resized.bind(this),!1)}.bind(this),10),this.document.fonts.onloading=function(){console.log("loaded fonts")}.bind(this),t.resolve(this),this.loading.resolve(this)}.bind(this)),this.document.open(),this.document.write(e),this.document.close(),r},EPUBJS.View.prototype.create=function(){return this.iframe=document.createElement("iframe"),this.iframe.id=this.id,this.iframe.scrolling="no",this.iframe.seamless="seamless",this.iframe.style.border="none",this.resizing=!0,this.iframe.width="100%",this.iframe.style.height="100%",this.iframe.style.display="none",this.iframe.style.visibility="hidden",this.iframe},EPUBJS.View.prototype.resized=function(){this.resizing?this.resizing=!1:this.layout()},EPUBJS.View.prototype.layout=function(){var e;console.log("layout"),e=this.document.body.getBoundingClientRect(),(!e||0==e.height&&0==e.width)&&console.error("View not shown"),this.resizing=!0,this.iframe.style.height=e.height+"px",e=this.document.body.getBoundingClientRect(),this.resizing=!0,this.iframe.style.height=e.height+"px",this.width=e.width,this.height=e.height},EPUBJS.View.prototype.observe=function(e){var t=this,r=new MutationObserver(function(e){e.forEach(function(){t.layout()})}),n={attributes:!0,childList:!0,characterData:!0,subtree:!0};return r.observe(e,n),r},EPUBJS.View.prototype.appendTo=function(e){this.element=e,this.element.appendChild(this.iframe)},EPUBJS.View.prototype.prependTo=function(e){this.element=e,e.insertBefore(this.iframe,e.firstChild)},EPUBJS.View.prototype.bounds=function(){return this.iframe.getBoundingClientRect()},EPUBJS.View.prototype.destroy=function(){this.element.removeChild(this.iframe)};
\ No newline at end of file
diff --git a/examples/basic-render.html b/examples/basic-render.html
index 0bc65ce..a4e1f33 100644
--- a/examples/basic-render.html
+++ b/examples/basic-render.html
@@ -12,14 +12,14 @@
     }
 
     #viewer {
-      /* position: absolute;
+      position: absolute;
       left: 10%;
       width: 80%;
       height: 100%;
-      overflow: hidden; */
-      display: block;
+      overflow: hidden; 
+/*      display: block;
       margin: 50px auto;
-      width: 600px;
+      width: 600px;*/
     }
 
     #prev {
@@ -66,7 +66,7 @@
     var currentSectionIndex = 10;
     // Load the opf
     var book = ePub("../books/moby-dick/OPS/package.opf");
-    var rendition = book.renderTo("viewer", {width: 600, height: 400});
+    var rendition = book.renderTo("viewer");
     var displayed = rendition.display(currentSectionIndex);
     
 
diff --git a/examples/toc.html b/examples/toc.html
index 253ffa7..e9bd9da 100644
--- a/examples/toc.html
+++ b/examples/toc.html
@@ -64,9 +64,9 @@
 		var $viewer = document.getElementById("viewer");
 		var $next = document.getElementById("next");
 		var $prev = document.getElementById("prev");
-		var currentSectionIndex = 10;
+		var currentSectionIndex = 9;
 		// Load the opf
-		var book = ePub("https://s3.amazonaws.com/moby-dick/OPS/package.opf");
+		var book = ePub("../books/moby-dick/OPS/package.opf"); // https://s3.amazonaws.com/moby-dick/OPS/package.opf
 		var rendition = book.renderTo("viewer", {width: 600, height: 400});
 		var displayed = rendition.display(currentSectionIndex);
 		
diff --git a/gulpfile.js b/gulpfile.js
index 14fdc64..cb54aba 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -3,7 +3,11 @@ var jshint = require('gulp-jshint');
 var concat = require('gulp-concat');
 var rename = require('gulp-rename');
 var uglify = require('gulp-uglify');
-
+var gutil = require('gulp-util');
+var plumber = require('gulp-plumber');
+var onError = function (err) {
+  gutil.log(gutil.colors.green(err));
+};
 
 // Lint JS
 gulp.task('lint', function() {
@@ -15,6 +19,7 @@ gulp.task('lint', function() {
 // Concat & Minify JS
 gulp.task('minify', function(){
   return gulp.src(['lib/*.js', 'bower_components/rsvp/rsvp.js', 'lib/epubjs/*.js'])
+    .pipe(plumber({ errorHandler: onError }))
     .pipe(concat('epub.js'))
     .pipe(gulp.dest('dist'))
     .pipe(rename('epub.min.js'))
diff --git a/lib/epubjs/infinite.js b/lib/epubjs/infinite.js
index 4d3c39f..d6ee196 100644
--- a/lib/epubjs/infinite.js
+++ b/lib/epubjs/infinite.js
@@ -88,19 +88,18 @@ EPUBJS.Infinite.prototype.check = function(){
 
   if(this.scrolled && !this.displaying) {
 
-    // var scrollTop = window.pageYOffset || document.documentElement.scrollTop
-    // var scrollLeft = window.pageXOffset || document.documentElement.scrollLeft
     var scrollTop = this.container.scrollTop;
+    var scrollLeft = this.container.scrollLeft;
 
-    // var scrollTop = document.body.scrollTop;//TODO: make document.body a variable
-    // var scrollHeight = document.documentElement.scrollHeight;
     var scrollHeight = this.container.scrollHeight;
+    var scrollWidth = this.container.scrollWidth;
+
     var direction = scrollTop - this.prevScrollTop;
     var height = this.container.getBoundingClientRect().height;
 
-    var up = height - (scrollHeight - scrollTop) > -this.offset;
+    var up = scrollTop + this.offset > scrollHeight-height;
     var down = scrollTop < this.offset;
-
+    // console.debug("scroll", scrollTop)
     if(up && direction > 0) {
       this.forwards();
     }
@@ -108,13 +107,32 @@ EPUBJS.Infinite.prototype.check = function(){
       this.backwards();
     }
 
-    // console.log(document.body.scrollTop)
+    // console.log(scrollTop)
     this.prevScrollTop = scrollTop;
 
+    this.scrolled = false;
+  } else {
+    this.displaying = false;
     this.scrolled = false;
   }
 
   this.tick.call(window, this.check.bind(this));
 }
 
+EPUBJS.Infinite.prototype.scrollBy = function(x, y, silent){
+  if(silent) {
+    this.displaying = true;
+  }
+  this.container.scrollLeft += x;
+  this.container.scrollTop += y;
+};
+
+EPUBJS.Infinite.prototype.scroll = function(x, y, silent){
+  if(silent) {
+    this.displaying = true;
+  }
+  this.container.scrollLeft = x;
+  this.container.scrollTop = y;
+};
+
 RSVP.EventTarget.mixin(EPUBJS.Infinite.prototype);
\ No newline at end of file
diff --git a/lib/epubjs/renderer.js b/lib/epubjs/renderer.js
index de87914..0466bf4 100644
--- a/lib/epubjs/renderer.js
+++ b/lib/epubjs/renderer.js
@@ -2,7 +2,7 @@ EPUBJS.Renderer = function(book, _options) {
   var options = _options || {};
   this.settings = {
     hidden: options.hidden || false,
-    viewLimit: 3,
+    viewsLimit: 4,
     width: options.width || false, 
     height: options.height || false, 
   };
@@ -125,8 +125,13 @@ EPUBJS.Renderer.prototype.attachTo = function(_element){
 
   this.infinite.start();
 
-  this.infinite.on("forwards", this.forwards.bind(this));
-  this.infinite.on("backwards", this.backwards.bind(this));
+  this.infinite.on("forwards", function(){
+    if(!this.rendering) this.forwards();
+  }.bind(this));
+  
+  this.infinite.on("backwards", function(){
+    if(!this.rendering) this.backwards();
+  }.bind(this));
 
   window.addEventListener("resize", this.onResized.bind(this), false);
 
@@ -151,10 +156,11 @@ EPUBJS.Renderer.prototype.display = function(what){
     var section = this.book.spine.get(what);
     var rendered = this.render(section);
 
-    rendered.then(function(){
-      this.fill();
-      displaying.resolve(this);
-    }.bind(this));
+    rendered.
+      then(this.fill.bind(this)).
+      then(function(){
+        displaying.resolve(this);
+      }.bind(this));
   
   }.bind(this));
 
@@ -173,12 +179,19 @@ EPUBJS.Renderer.prototype.render = function(section){
   rendered = section.render();
   view.index = section.index;
 
-  // Place view in correct position
-  this.insert(view, section.index);
+  
 
-  return rendered.then(function(contents){
-    return view.load(contents);
-  });
+  return rendered.
+    then(function(contents){
+      // Place view in correct position
+      this.insert(view, section.index);
+
+      return view.load(contents);
+    }.bind(this))
+    .then(function(){
+      this.rendering = false;
+      return view;
+    }.bind(this));
 
 };
 
@@ -188,23 +201,36 @@ EPUBJS.Renderer.prototype.forwards = function(){
   var rendered;
   var section;
 
-  if(this.rendering) return;
-  console.log("going forwards")
-
   next = this.last().index + 1;
 
-  if(next === this.book.spine.length){
-    return;
+  if(this.rendering || next === this.book.spine.length){
+    rendered = new RSVP.defer();
+    rendered.reject({message: "reject forwards"});
+    return rendered.promise;
   }
+  console.log("going forwards")
+
+  this.rendering = true;
 
   section = this.book.spine.get(next);
   rendered = this.render(section);
-  this.rendering = true;
 
   rendered.then(function(){
-    console.log("last:", this.last().height)
+    // this.rendering = false;
+    var first = this.first();
+    var bounds = first.bounds();
+    var container = this.container.getBoundingClientRect();
+    var offset;
+    var prev = this.container.scrollTop;
+    if(this.views.length > this.settings.viewsLimit) {
+      
+      // Remove the item
+      this.remove(first);
 
-    this.rendering = false;
+      // Reset Position
+      this.infinite.scroll(0, prev - bounds.height, true)
+
+    }
   }.bind(this));
   
   return rendered;
@@ -215,23 +241,28 @@ EPUBJS.Renderer.prototype.backwards = function(view){
   var rendered;
   var section;
 
-  if(this.rendering) return;
-  console.log("going backwards")
 
   prev = this.first().index - 1;
-  if(prev < 0){
-    return; //TODO: should reject
+  if(this.rendering || prev < 0){
+    rendered = new RSVP.defer();
+    rendered.reject({message: "reject backwards"});
+    return rendered.promise;
   }
+  console.log("going backwards")
+
+  this.rendering = true;
 
   section = this.book.spine.get(prev);
   rendered = this.render(section);
-  this.rendering = true;
 
   rendered.then(function(){
-    this.rendering = false;
-    // -- this might want to be in infinite
-    this.container.scrollTop += this.first().height;
+    // this.container.scrollTop += this.first().height;
+    this.infinite.scrollBy(0, this.first().height, true);
 
+    if(this.views.length > this.settings.viewsLimit) {
+      last = this.last();
+      this.remove(last);
+    }
   }.bind(this));
 
   return rendered;
@@ -242,31 +273,45 @@ EPUBJS.Renderer.prototype.backwards = function(view){
 
 // -- this might want to be in infinite
 EPUBJS.Renderer.prototype.fill = function() {
-  var filling = this.backwards();
   var height = this.container.getBoundingClientRect().height;
-  
-  if(!filling) return;
-  
-  filling.then(function(){
+  var next = function(){
     var bottom = this.last().bounds().bottom;
-    while (height && bottom && bottom < height) {
-      this.forwards();
-    };
-  }.bind(this));
-};
+    var defer = new RSVP.defer();
+    var promise = defer.promise;
+
+    if (height && bottom && (bottom < height) && (this.last().index + 1 < this.book.spine.length)) {
+      return this.forwards().then(next);
+    } else {
+      this.rendering = false;
+      defer.resolve();
+      return promise;
+    }
+  }.bind(this);
+
+  
+  return next().
+    then(this.backwards.bind(this)).
+    then(function(){
+      this.rendering = false;
+    }.bind(this));
+
 
-EPUBJS.Renderer.prototype.jump = function(view){
-  this.views.push(view);
 };
 
 EPUBJS.Renderer.prototype.append = function(view){
+  var first, prevTop, prevHeight, offset;
+
   this.views.push(view);
   view.appendTo(this.container);
+
 };
 
 EPUBJS.Renderer.prototype.prepend = function(view){
+  var last;
+
   this.views.unshift(view);
   view.prependTo(this.container);
+
 };
 
 // Simple Insert
@@ -279,13 +324,17 @@ EPUBJS.Renderer.prototype.insert = function(view, index){
   } else if(index - this.last().index <= 0) {
     this.prepend(view);
   }
-
+  console.log("insert")
   // return position;
 };
 
 // Remove the render element and clean up listeners
-EPUBJS.Renderer.prototype.destroy = function() {
-  
+EPUBJS.Renderer.prototype.remove = function(view) {
+  var index = this.views.indexOf(view);
+  view.destroy();
+  if(index > -1) {
+    this.views.splice(index, 1);
+  }
 };
 
 EPUBJS.Renderer.prototype.first = function() {
diff --git a/lib/epubjs/view.js b/lib/epubjs/view.js
index 749fd10..5ea638e 100644
--- a/lib/epubjs/view.js
+++ b/lib/epubjs/view.js
@@ -1,4 +1,4 @@
-EPUBJS.View = function(options) {
+EPUBJS.View = function(width, height) {
   this.id = "epubjs-view:" + EPUBJS.core.uuid();
   this.loading = new RSVP.defer();
   this.loaded = this.loading.promise;
@@ -13,9 +13,10 @@ EPUBJS.View.prototype.load = function(contents) {
 
   this.document = this.iframe.contentDocument;
   
-  this.iframe.onload = function(e) {
+  this.iframe.addEventListener("load", function(event) {
+    var layout;
+    
     this.window = this.iframe.contentWindow;
-    this.window.addEventListener("resize", this.resized.bind(this), false);
     this.document = this.iframe.contentDocument;
   
     this.iframe.style.display = "block";
@@ -25,15 +26,25 @@ EPUBJS.View.prototype.load = function(contents) {
     this.document.body.style.display = "inline-block";    
 
     this.layout();
-    
-    // This needs to run twice to get to the correct size sometimes?
-    this.layout();
-    
+
     this.iframe.style.visibility = "visible";
 
+    setTimeout(function(){
+      this.window.addEventListener("resize", this.resized.bind(this), false);
+    }.bind(this), 10); // Wait to listen for resize events
+
+    this.document.fonts.onloading = function(){
+      console.log("loaded fonts");
+      // this.layout();
+    }.bind(this);
+
+    // this.observer = this.observe(this.document);
+
     loading.resolve(this);
     this.loading.resolve(this);
-  }.bind(this);
+    
+  }.bind(this));
+  
   
   // this.iframe.srcdoc = contents;
   this.document.open();
@@ -43,11 +54,6 @@ EPUBJS.View.prototype.load = function(contents) {
   return loaded;
 };
 
-
-EPUBJS.View.prototype.unload = function() {
-
-};
-
 EPUBJS.View.prototype.create = function() {
   this.iframe = document.createElement('iframe');
   this.iframe.id = this.id;
@@ -55,16 +61,19 @@ EPUBJS.View.prototype.create = function() {
   this.iframe.seamless = "seamless";
   // Back up if seamless isn't supported
   this.iframe.style.border = "none";
+
+  this.resizing = true;
   this.iframe.width = "100%";
-  this.iframe.style.height = "0";
+  this.iframe.style.height = "100%";
 
   this.iframe.style.display = "none";
   this.iframe.style.visibility = "hidden";
 
+
   return this.iframe;
 };
 
-EPUBJS.View.prototype.resized = function() {
+EPUBJS.View.prototype.resized = function(e) {
 
   if (!this.resizing) {
     this.layout();
@@ -75,32 +84,48 @@ EPUBJS.View.prototype.resized = function() {
 };
 
 EPUBJS.View.prototype.layout = function() {
-  var bounds = {}, content, width = 0, height = 0;
-
-  this.resizing = true;
+  var bounds;
+  console.log("layout")
   // Check bounds
   bounds = this.document.body.getBoundingClientRect();
 
+  if(!bounds || (bounds.height == 0 && bounds.width == 0)) {
+    console.error("View not shown");
+  }
+
   // Apply Changes
+  this.resizing = true;
   this.iframe.style.height = bounds.height + "px";
-  this.iframe.style.width = bounds.width + "px";
+  // this.iframe.style.width = bounds.width + "px";
 
   // Check again
-  content = this.document.body.getBoundingClientRect();
+  bounds = this.document.body.getBoundingClientRect();
+  this.resizing = true;
+  this.iframe.style.height = bounds.height + "px";
+  // this.iframe.style.width = bounds.width + "px";
 
-  height = content.height;
-  width = content.width;
+  this.width = bounds.width;
+  this.height = bounds.height;
 
-  this.width = width;
-  this.height = height;
-  
-  
-  // if(bounds.height != content.height || bounds.width != content.width) {
-  //   // this.layout();
-  //   console.log(bounds, content)
-  // }
-  
+};
 
+EPUBJS.View.prototype.observe = function(target) {
+  var renderer = this;
+
+  // create an observer instance
+  var observer = new MutationObserver(function(mutations) {
+    mutations.forEach(function(mutation) {
+      renderer.layout();
+    });    
+  });
+
+  // configuration of the observer:
+  var config = { attributes: true, childList: true, characterData: true, subtree: true };
+
+  // pass in the target node, as well as the observer options
+  observer.observe(target, config);
+
+  return observer;
 };
 
 EPUBJS.View.prototype.appendTo = function(element) {
@@ -118,6 +143,9 @@ EPUBJS.View.prototype.bounds = function() {
 };
 
 EPUBJS.View.prototype.destroy = function() {
+  // Stop observing
+  // this.observer.disconnect();
+  
   this.element.removeChild(this.iframe);
 };
 
diff --git a/package.json b/package.json
index 8bd3b2a..5c52faf 100644
--- a/package.json
+++ b/package.json
@@ -17,15 +17,16 @@
     "express": "^4.5.1",
     "gulp": "^3.8.7",
     "gulp-concat": "^2.3.4",
+    "gulp-connect": "~2.0.6",
     "gulp-jshint": "^1.8.4",
+    "gulp-plumber": "^0.6.4",
     "gulp-rename": "^1.2.0",
     "gulp-uglify": "^0.3.1",
+    "gulp-util": "^3.0.0",
     "morgan": "^1.1.1",
     "optimist": "^0.6.1",
     "portfinder": "^0.2.1",
     "qunitjs": "^1.14.0",
-    "serve-static": "^1.3.1",
-    "gulp-util": "~3.0.0",
-    "gulp-connect": "~2.0.6"
+    "serve-static": "^1.3.1"
   }
 }