1. Project Gutenberg: http://www.gutenberg.org
2. The Online Books Page: http://onlinebooks.library.upenn.edu/
Listing over 25,000 free books on the Web. The site is hosted by the University of Pennsylvania Library.
3. Asiaing.com: http://www.asiaing.com
Over 2,000 free ebooks & free magazines. Most of them can be downloaded directly.
4. PlanetPDF http://www.planetpdf.com/free_pdf_ebooks.asp?CurrentPage=1
Classics works of Literature.
5. University of California, eScholarship Edition: http://content.cdlib.org/escholarship/
The eScholarship Editions collection includes almost 2000 books from academic presses on a range of topics, including art, science, history, music, religion, and fiction.
6. University of Adelaide Library’s collection of Web books: http://etext.library.adelaide.edu.au/
The collection includes classic works of Literature, Philosophy, Science, and History.
7. AvaxHome.ru: http://www.avaxhome.ru
Some new ebooks. Rapidshare download links. Copyright is a problem.
8. The National Academies Press: http://www.nap.edu
Read more than 3,000 books online FREE!