Booklamp - based on the book genome project, pandora for the book lover.
Literature Map - type in your favorite author's first and last name and the literature map will help you find similar authors based on what other people have read.
Teen Book Finder - search by genre, award and booklist.
Ultimate Teen Reading List 2011 - from the teenreads.com website
Pima County Public Library- has hundreds of titles to choose from
InkMesh - an ebook search engine for both free ebooks and cost comparisons of ebooks on different sites.
MobileRead Wiki - the MobileRead Wiki has a great Help page if you run into problems with the downloads.
Open Library - epub and pdf formats
Project Gutenberg - Mobile Reader Devices: How to
Pima County Public Library - downloadable media