EBooks: Open Access eBook Collections

HathiTrust is a very large scale collaborative repository of digital content from research libraries including content digitized via the Google Books project and Internet Archive digitization initiatives, as well as content digitized locally by libraries.

From the University of Michigan

Contains a wide range of fiction, popular books, children's books, historical texts and academic books.

Browse and search approx. 4000 online editions of NAP titles on a wide range of topics including education, engineering, energy, health, industry, math, nutrition, security, and more. Note: Not all titles are available free and there is no way to limit your search to only free titles.

Over 33,000 free ebooks to read on a PC, iPad, Kindle, iPhone, or other portable device.

Bookshare is the world’s largest online library of copyrighted content for people with qualified print disabilities.