diff --git a/README.md b/README.md
index 656ebea..1a3d06b 100644
--- a/README.md
+++ b/README.md
@@ -92,7 +92,7 @@ Scrolled: `book.renderTo("area", { flow: "scrolled-doc" });`
 
 [Scripted content](https://www.w3.org/TR/epub-33/#sec-scripted-content), JavasScript the ePub HTML content, is disabled by default due to the potential for executing malicious content. 
 
-This is done by sandboxing the iframe the content is rendered into, though it is still recommened to santize the ePub content server-side as well.
+This is done by sandboxing the iframe the content is rendered into, though it is still recommended to sanitize the ePub content server-side as well.
 
 If a trusted ePub contains interactivity, it can be enabled by passing `allowScriptedContent: true` to the `Rendition` settings.
 
diff --git a/documentation/md/API.md b/documentation/md/API.md
index 60a447b..091f23f 100644
--- a/documentation/md/API.md
+++ b/documentation/md/API.md
@@ -150,7 +150,7 @@ Returns **[Range](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/Inpu
 
 ### key
 
-Generates the Book Key using the identifer in the manifest or other string provided
+Generates the Book Key using the identifier in the manifest or other string provided
 
 **Parameters**
 
@@ -350,7 +350,7 @@ Returns **[Section](#section)** last section
 
 Represents a Section of the Book
 
-In most books this is equivelent to a Chapter
+In most books this is equivalent to a Chapter
 
 **Parameters**
 
@@ -389,8 +389,8 @@ Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refere
 
 ### reconcileLayoutSettings
 
-Reconciles the current chapters layout properies with
-the global layout properities.
+Reconciles the current chapters layout properties with
+the global layout properties.
 
 **Parameters**
 
@@ -839,7 +839,7 @@ Returns **[Promise](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe
 
 ### revokeUrl
 
-Revoke Temp Url for a achive item
+Revoke Temp Url for a archive item
 
 **Parameters**
 
@@ -1077,7 +1077,7 @@ A Rendered Location Range
 
 Hooks allow for injecting functions that must all complete in order before finishing
 They will execute in parallel but all must finish before continuing
-Functions may return a promise if they are asycn.
+Functions may return a promise if they are async.
 
 **Parameters**
 
@@ -2066,7 +2066,7 @@ Returns **BoundingClientRect**
 
 ### windowBounds
 
-Find the equivelent of getBoundingClientRect of a browser window
+Find the equivalent of getBoundingClientRect of a browser window
 
 Returns **{width: [Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number), height: [Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number), top: [Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number), left: [Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number), right: [Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number), bottom: [Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)}** 
 
@@ -2225,7 +2225,7 @@ Create a treeWalker
 
 -   `root` **[element](https://developer.mozilla.org/en-US/docs/Web/API/Element)** element to start with
 -   `func` **[function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)** function to run on each element
--   `filter` **([function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function) \| [object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object))** funtion or object to filter with
+-   `filter` **([function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function) \| [object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object))** function or object to filter with
 
 ### walk
 
@@ -2264,7 +2264,7 @@ Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refere
 
 ### findChildren
 
-Find direct decendents of an element
+Find direct descendents of an element
 
 **Parameters**
 
@@ -2284,7 +2284,7 @@ Returns **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refere
 
 ### filterChildren
 
-Find all direct decendents of a specific type
+Find all direct descendents of a specific type
 
 **Parameters**
 
diff --git a/src/archive.js b/src/archive.js
index ea22a81..15b3835 100644
--- a/src/archive.js
+++ b/src/archive.js
@@ -233,7 +233,7 @@ class Archive {
 	}
 
 	/**
-	 * Revoke Temp Url for a achive item
+	 * Revoke Temp Url for a archive item
 	 * @param  {string} url url of the item in the archive
 	 */
 	revokeUrl(url){
diff --git a/src/book.js b/src/book.js
index 4243bd1..fb66e54 100644
--- a/src/book.js
+++ b/src/book.js
@@ -714,7 +714,7 @@ class Book {
 	}
 
 	/**
-	 * Generates the Book Key using the identifer in the manifest or other string provided
+	 * Generates the Book Key using the identifier in the manifest or other string provided
 	 * @param  {string} [identifier] to use instead of metadata identifier
 	 * @return {string} key
 	 */
diff --git a/src/epubcfi.js b/src/epubcfi.js
index 77142a3..98a6b90 100644
--- a/src/epubcfi.js
+++ b/src/epubcfi.js
@@ -109,7 +109,7 @@ class EpubCFI {
 		}
 
 		if(cfiStr.indexOf("epubcfi(") === 0 && cfiStr[cfiStr.length-1] === ")") {
-			// Remove intial epubcfi( and ending )
+			// Remove initial epubcfi( and ending )
 			cfiStr = cfiStr.slice(8, cfiStr.length-1);
 		}
 
@@ -395,7 +395,7 @@ class EpubCFI {
 			return -1;
 		}
 
-		// Compare the charecter offset of the text node
+		// Compare the character offset of the text node
 		if(terminalA.offset > terminalB.offset) {
 			return 1;
 		}
diff --git a/src/mapping.js b/src/mapping.js
index 4216204..0075f29 100644
--- a/src/mapping.js
+++ b/src/mapping.js
@@ -73,7 +73,7 @@ class Mapping {
 	walk(root, func) {
 		// IE11 has strange issue, if root is text node IE throws exception on
 		// calling treeWalker.nextNode(), saying
-		// Unexpected call to method or property access instead of returing null value
+		// Unexpected call to method or property access instead of returning null value
 		if(root && root.nodeType === Node.TEXT_NODE) {
 			return;
 		}
diff --git a/src/packaging.js b/src/packaging.js
index f20f918..e038471 100644
--- a/src/packaging.js
+++ b/src/packaging.js
@@ -157,7 +157,7 @@ class Packaging {
 
 		// var epubcfi = new EpubCFI();
 
-		//-- Add to array to mantain ordering and cross reference with manifest
+		//-- Add to array to maintain ordering and cross reference with manifest
 		items.forEach(function(item, index){
 			var idref = item.getAttribute("idref");
 			// var cfiBase = epubcfi.generateChapterComponent(spineNodeIndex, index, Id);
@@ -213,7 +213,7 @@ class Packaging {
 	 */
 	findNavPath(manifestNode){
 		// Find item with property "nav"
-		// Should catch nav irregardless of order
+		// Should catch nav regardless of order
 		// var node = manifestNode.querySelector("item[properties$='nav'], item[properties^='nav '], item[properties*=' nav ']");
 		var node = qsp(manifestNode, "item", {"properties":"nav"});
 		return node ? node.getAttribute("href") : false;
diff --git a/src/rendition.js b/src/rendition.js
index 8dcbe06..3c3a4e5 100644
--- a/src/rendition.js
+++ b/src/rendition.js
@@ -895,7 +895,7 @@ class Rendition {
 	 */
 	triggerSelectedEvent(cfirange, contents){
 		/**
-		 * Emit that a text selection has occured
+		 * Emit that a text selection has occurred
 		 * @event selected
 		 * @param {string} cfirange
 		 * @param {Contents} contents
diff --git a/src/section.js b/src/section.js
index 7c2c3c4..aa61310 100644
--- a/src/section.js
+++ b/src/section.js
@@ -9,7 +9,7 @@ import { DOMParser as XMLDOMSerializer } from "@xmldom/xmldom";
 /**
  * Represents a Section of the Book
  *
- * In most books this is equivelent to a Chapter
+ * In most books this is equivalent to a Chapter
  * @param {object} item  The spine item representing the section
  * @param {object} hooks hooks for serialize and content
  */
@@ -179,7 +179,7 @@ class Section {
 	/**
 	 * Search a string in multiple sequential Element of the section. If the document.createTreeWalker api is missed(eg: IE8), use `find` as a fallback.
 	 * @param  {string} _query The query string to search
-	 * @param  {int} maxSeqEle The maximum number of Element that are combined for search, defualt value is 5.
+	 * @param  {int} maxSeqEle The maximum number of Element that are combined for search, default value is 5.
 	 * @return {object[]} A list of matches, with form {cfi, excerpt}
 	 */
 	search(_query , maxSeqEle = 5){
@@ -245,8 +245,8 @@ class Section {
 	}
 
 	/**
-	* Reconciles the current chapters layout properies with
-	* the global layout properities.
+	* Reconciles the current chapters layout properties with
+	* the global layout properties.
 	* @param {object} globalLayout  The global layout settings object, chapter properties string
 	* @return {object} layoutProperties Object with layout properties
 	*/
diff --git a/src/store.js b/src/store.js
index 0d12103..4775275 100644
--- a/src/store.js
+++ b/src/store.js
@@ -360,7 +360,7 @@ class Store {
 	}
 
 	/**
-	 * Revoke Temp Url for a achive item
+	 * Revoke Temp Url for a archive item
 	 * @param  {string} url url of the item in the store
 	 */
 	revokeUrl(url){
diff --git a/src/utils/core.js b/src/utils/core.js
index 4819397..4d18573 100644
--- a/src/utils/core.js
+++ b/src/utils/core.js
@@ -322,7 +322,7 @@ export function nodeBounds(node) {
 }
 
 /**
- * Find the equivelent of getBoundingClientRect of a browser window
+ * Find the equivalent of getBoundingClientRect of a browser window
  * @returns {{ width: Number, height: Number, top: Number, left: Number, right: Number, bottom: Number }}
  * @memberof Core
  */
@@ -590,7 +590,7 @@ export function sprint(root, func) {
  * @memberof Core
  * @param  {element} root element to start with
  * @param  {function} func function to run on each element
- * @param  {function | object} filter funtion or object to filter with
+ * @param  {function | object} filter function or object to filter with
  */
 export function treeWalker(root, func, filter) {
 	var treeWalker = document.createTreeWalker(root, filter, null, false);
@@ -653,7 +653,7 @@ export function defer() {
 	 */
 	this.resolve = null;
 
-	/* A method to reject the assocaited Promise with the value passed.
+	/* A method to reject the associated Promise with the value passed.
 	 * If the promise is already settled it does nothing.
 	 *
 	 * @param {anything} reason: The reason for the rejection of the Promise.
@@ -702,7 +702,7 @@ export function querySelectorByType(html, element, type){
 }
 
 /**
- * Find direct decendents of an element
+ * Find direct descendents of an element
  * @param {element} el
  * @returns {element[]} children
  * @memberof Core
@@ -734,7 +734,7 @@ export function parents(node) {
 }
 
 /**
- * Find all direct decendents of a specific type
+ * Find all direct descendents of a specific type
  * @param {element} el
  * @param {string} nodeName
  * @param {boolean} [single]
diff --git a/src/utils/hook.js b/src/utils/hook.js
index ea1b901..85f4463 100644
--- a/src/utils/hook.js
+++ b/src/utils/hook.js
@@ -1,7 +1,7 @@
 /**
  * Hooks allow for injecting functions that must all complete in order before finishing
  * They will execute in parallel but all must finish before continuing
- * Functions may return a promise if they are asycn.
+ * Functions may return a promise if they are async.
  * @param {any} context scope of this
  * @example this.content = new EPUBJS.Hook(this);
  */
diff --git a/test/epubcfi.js b/test/epubcfi.js
index 232f9ab..b40c566 100644
--- a/test/epubcfi.js
+++ b/test/epubcfi.js
@@ -34,7 +34,7 @@ describe('EpubCFI', function() {
 			assert.equal( parsed.spinePos, 0, "base is ignored and spinePos is parsed as the first item" );
 		});
 
-		it('parse a cfi with a charecter offset', function() {
+		it('parse a cfi with a character offset', function() {
 			var parsed = cfi.parse("epubcfi(/6/4[chap01ref]!/4[body01]/10[para05]/2/1:3)");
 
 			assert.equal( parsed.path.terminal.offset, 3, "Path has a terminal offset of 3" );
@@ -285,7 +285,7 @@ describe('EpubCFI', function() {
 
 		});
 
-		it('get a cfi from a range inbetween two highlights', function() {
+		it('get a cfi from a range in between two highlights', function() {
 			var t1 = docHighlightsAlice.getElementById('p2').childNodes[1];
 			var range = docHighlightsAlice.createRange();
 			var cfi;