Google Play Books
Google Play Books lets you search, preview, and buy millions of books using Google Book Search. Books in the public domain and certain copyrighted books can be read and downloaded in their entirety for free.
Open Library is an online project intended to create “one web page for every book ever published”. Book database and digital lending libraryIts book information is collected from the Library of Congress, other libraries, and Amazon.
Open Library is an online project intended to create “one web page for every book ever published”. Book database and digital lending libraryIts book information is collected from the Library of Congress, other libraries, and Amazon.com, as well as from user contributions through a Wikilike interface. Open Library claims to have 6 million authors and 20 million books (not works), and about one million Public Domain books are available as digitized books.
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Reading list Wiki like interface CrowdSourced
wiki-like-interface crowdsourced books