diff --git a/ChangeLog b/ChangeLog
index bc477c084..d280830c8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 ===== 1.1.3 (Jul ??, 2011) =====
 * Library view: grouping books by first letter in title branch
+* Library view: books by series
+* Library view: load library in background
 * Local library search searches by file names too
 * 'invisible if pressed' issue for description in book information dialog has been fixed
 * LitRes: username forgetting issue has been fixed
diff --git a/assets/resources/application/en.xml b/assets/resources/application/en.xml
index d3659139e..c1cff2d59 100644
--- a/assets/resources/application/en.xml
+++ b/assets/resources/application/en.xml
@@ -11,6 +11,9 @@
 		<node name="byTitle" value="By title">
 			<node name="summary" value="Books sorted by title"/>
 		</node>
+		<node name="bySeries" value="By series">
+			<node name="summary" value="Books sorted by series"/>
+		</node>
 		<node name="byTag" value="By tag">
 			<node name="summary" value="Books sorted by tag"/>
 		</node>
diff --git a/src/org/geometerplus/fbreader/library/AuthorTree.java b/src/org/geometerplus/fbreader/library/AuthorTree.java
index 891900699..7ac7419f6 100644
--- a/src/org/geometerplus/fbreader/library/AuthorTree.java
+++ b/src/org/geometerplus/fbreader/library/AuthorTree.java
@@ -33,16 +33,6 @@ public class AuthorTree extends LibraryTree {
 		Author = author;
 	}
 
-	SeriesTree getSeriesSubTree(String series) {
-		final SeriesTree temp = new SeriesTree(series);
-		int position = Collections.binarySearch(subTrees(), temp);
-		if (position >= 0) {
-			return (SeriesTree)subTrees().get(position);
-		} else {
-			return new SeriesTree(this, series, - position - 1);
-		}
-	}
-
 	@Override
 	public String getName() {
 		return
diff --git a/src/org/geometerplus/fbreader/library/Library.java b/src/org/geometerplus/fbreader/library/Library.java
index 2139d1905..5e3f7aff6 100644
--- a/src/org/geometerplus/fbreader/library/Library.java
+++ b/src/org/geometerplus/fbreader/library/Library.java
@@ -43,6 +43,7 @@ public final class Library {
 	public static final String ROOT_RECENT = "recent";
 	public static final String ROOT_BY_AUTHOR = "byAuthor";
 	public static final String ROOT_BY_TITLE = "byTitle";
+	public static final String ROOT_BY_SERIES = "bySeries";
 	public static final String ROOT_BY_TAG = "byTag";
 	public static final String ROOT_FILE_TREE = "fileTree";
 
@@ -188,31 +189,6 @@ public final class Library {
 		return fileList;
 	}
 
-	private static class AuthorSeriesPair {
-		private final Author myAuthor;
-		private final String mySeries;
-
-		AuthorSeriesPair(Author author, String series) {
-			myAuthor = author;
-			mySeries = series;
-		}
-
-		public boolean equals(Object object) {
-			if (this == object) {
-				return true;
-			}
-			if (!(object instanceof AuthorSeriesPair)) {
-				return false;
-			}
-			AuthorSeriesPair pair = (AuthorSeriesPair)object;
-			return ZLMiscUtil.equals(myAuthor, pair.myAuthor) && mySeries.equals(pair.mySeries);
-		}
-
-		public int hashCode() {
-			return Author.hashCode(myAuthor) + mySeries.hashCode();
-		}
-	}
-
 	private final List<?> myNullList = Collections.singletonList(null);
 
 	private LibraryTree getTagTree(Tag tag) {
@@ -236,13 +212,22 @@ public final class Library {
 			if (seriesInfo == null) {
 				authorTree.getBookSubTree(book, false);
 			} else {
-				final String series = seriesInfo.Name;
-				final AuthorSeriesPair pair = new AuthorSeriesPair(a, series);
-				final SeriesTree seriesTree = authorTree.getSeriesSubTree(series);
-				seriesTree.getBookInSeriesSubTree(book);
+				authorTree.getSeriesSubTree(seriesInfo.Name).getBookInSeriesSubTree(book);
 			}
 		}
 
+		if (seriesInfo != null) {
+			FirstLevelTree seriesRoot = getFirstLevelTree(ROOT_BY_SERIES);
+			if (seriesRoot == null) {
+				seriesRoot = new FirstLevelTree(
+					myRootTree,
+					myRootTree.indexOf(getFirstLevelTree(ROOT_BY_TITLE)) + 1,
+					ROOT_BY_SERIES
+				);
+			}
+			seriesRoot.getSeriesSubTree(seriesInfo.Name).getBookInSeriesSubTree(book);
+		}
+
 		if (myDoGroupTitlesByFirstLetter) {
 			final String letter = TitleTree.firstTitleLetter(book);
 			if (letter != null) {
@@ -288,14 +273,20 @@ public final class Library {
 
 		// Step 1: add "existing" books recent and favorites lists
 		for (long id : db.loadRecentBookIds()) {
-			final Book book = savedBooksByBookId.get(id);
+			Book book = savedBooksByBookId.get(id);
+			if (book == null) {
+				book = Book.getById(id);
+			}
 			if (book != null) {
 				new BookTree(getFirstLevelTree(ROOT_RECENT), book, true);
 			}
 		}
 
 		for (long id : db.loadFavoritesIds()) {
-			final Book book = savedBooksByBookId.get(id);
+			Book book = savedBooksByBookId.get(id);
+			if (book == null) {
+				book = Book.getById(id);
+			}
 			if (book != null) {
 				getFirstLevelTree(ROOT_FAVORITES).getBookSubTree(book, true);
 			}
@@ -349,7 +340,7 @@ public final class Library {
 
 		// Step 3: collect books from physical files; add new, update already added,
 		//         unmark orphaned as existing again, collect newly added
-		final Map<Long,Book> orphanedBooksByFileId = db.loadBooks(fileInfos, true);
+		final Map<Long,Book> orphanedBooksByFileId = db.loadBooks(fileInfos, false);
 		final Set<Book> newBooks = new HashSet<Book>();
 
 		final List<ZLPhysicalFile> physicalFilesList = collectPhysicalFiles();
diff --git a/src/org/geometerplus/fbreader/library/LibraryTree.java b/src/org/geometerplus/fbreader/library/LibraryTree.java
index eef11a7db..cc3223cdc 100644
--- a/src/org/geometerplus/fbreader/library/LibraryTree.java
+++ b/src/org/geometerplus/fbreader/library/LibraryTree.java
@@ -88,6 +88,16 @@ public abstract class LibraryTree extends FBTree {
 		}
 	}
 
+	SeriesTree getSeriesSubTree(String series) {
+		final SeriesTree temp = new SeriesTree(series);
+		int position = Collections.binarySearch(subTrees(), temp);
+		if (position >= 0) {
+			return (SeriesTree)subTrees().get(position);
+		} else {
+			return new SeriesTree(this, series, - position - 1);
+		}
+	}
+
 	public boolean removeBook(Book book) {
 		final LinkedList<FBTree> toRemove = new LinkedList<FBTree>();
 		for (FBTree tree : this) {
diff --git a/src/org/geometerplus/fbreader/tree/FBTree.java b/src/org/geometerplus/fbreader/tree/FBTree.java
index dd12be99e..88eb3f7c6 100644
--- a/src/org/geometerplus/fbreader/tree/FBTree.java
+++ b/src/org/geometerplus/fbreader/tree/FBTree.java
@@ -113,6 +113,10 @@ public abstract class FBTree extends ZLTree<FBTree> implements Comparable<FBTree
 		return null;
 	}
 
+	public int indexOf(FBTree tree) {
+		return subTrees().indexOf(tree);
+	}
+
 	public abstract String getName();
 
 	public String getTreeTitle() {