Free Online Literature with more than 2000 Classic Texts.
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.
The National Academies Press (NAP)
Publishes more than 200 books a year on a wide range of topics in science, engineering, and medicine, providing authoritative, independently-researched information on important matters in science and health policy.
The Online Books Page
Listing over 2 million free books on the Web.
The Universal Digital Library
Provides eBooks in different topics in science, engineering, and medicine, arts etc.
13020 Academic peer-reviewed books and chapters from 282 publishers from around the world.
Contains freely accessible academic books, mainly in the area of humanities and social sciences
provides eBooks in Russian. Topics: business; finance; psychology.