eBooks on the web

Hathi Trust Digital Library
This is a digital preservation repository. It provides long-term preservation and access services for public domain and in copyright content from a variety of sources
Internet Archive
This is a non-profit internet library. Its purposes include offering permanent access to historical collections that exist in digital formats. The site includes texts, audio, moving images and software, archived web pages and also provides specialized services for adaptive reading and information access for the blind and other persons with disabilities
Project Gutenberg
This is a free online ebook scholarly project whose goal is to digitize books that are mainly in the public domain. Texts can be uploaded to your ereader such as Kindle or Nook.