http://www.lexile.com/ - information on the Lexile measurement of reading ability; search for books by Lexile level; find the Lexile level of a book

http://www.guysread.com/ - website dedicated to books for guys; find book recommendations; rate your favorite (or not favorite) books

www.adlit.org - information for parents on adolescent literacy

www.scholastic.com/bookwizard - find the reading level of a book; search for books that are similar to your favorite book(s)