Below are free web sites that contain downloadable versions of thousands of books in e-book, pdf, and viewing only format.  If you know of any websites that you feel would make this list more complete please e-mail the link to Ted.Penic@sjvls.org. 

Open Library

Manybooks

Internet Archive

Project Gutenberg

King County Library System- This site will teach you how to download books to media players including Nook, Kindle, and other portable reading devices.