Collection of over 2,000 academic peer-reviewed books from 280 academic publishers across the world.

Cornell Open is a global open access portal for both new and classic out-of-print titles from the distinguished catalog of Cornell University Press

A selection of published works from the Digital Schomburg collection, New York Public Library.

Digital Book Index provides links to more than 165,000 full-text digital books from more than 1800 commercial and non-commercial publishers, universities, and various private sites. More than 140,000 of these books, texts, and documents are available free

Over 1,000,000 books

Thousands of free ebooks from the original ebook project.

For scientists, by scientists. Open 1,700 open access, peer-reviewed books, many written by university faculty around the world