Not an ebook source, but a huge community of readers sharing reviews and opinions. Great place to track one's reading and find suggestions for the next book.
This subscription service searches the web for ebooks deals. Uses Project Gutenburg and its own deep library to provide ebooks access to all for minimal costs.
Our colleagues at the NYPL provide an amazing array of ebooks, movies, databases, and other tools to anyone who lives, works, or goes to school in NYC. We cannot recommend their resources highly enough!
Web community that reviews genre fiction, specializing in romance, paranormal, and teen fiction. Includes regular feature on ebooks deals and specials.