Literature

Literature
01.Amazon.com
Leading retailer with extensive catalog of book details, reader reviews, and full-text search. 
02.Audible
Premier online audibook retailer with affordable subscription options. 
03.Booknotes
Online archive for C-SPAN�s award-winning author interview program. 800+ interviews. 
04.CliffsNotes
Free literature notes and study guides covering all academic subject areas. 
05.The British Library
UK's leading research library. Catalog of 15 million books, newspapers, and journals. 
06.Google Books
Search the full text of books. Read books online. 
07.LibriVox
Free audio files for books from the public domain read by volunteers. 
08.Library of Congress
Largest library in the world with a collection of more than 120 million items. 
09.New York Public Library
One of the largest public libraries in the United States. Collection of 51 million items. 
10.Open Library
One web page for every book ever published. Currently indexes 24 million books. 
11.Project Gutenberg
30,000 free ebooks from the public domain to read on your PC, iPhone, Kindle, etc. 
12.Wikibooks
Free library of educational textbooks that anyone can edit. 
13.WorldCat
Indexes collections from more than 10,000 libraries. 
Social Bookshelves
14.GoodReads
Organize and share book lists. Receive recommendations. 
15.LibraryThing
Share book lists and receive recommendations from other book lovers.