If you love books and reading...
goodreads.com A social website for book lovers. Create book lists, rate and review books, make comments, find books to read. A perfect site for serious readers, high schoolers, and adults.
Your Next Read A visual way to find your next read. Enter a book you enjoyed. Your Next Read reveals books that similar readers enjoyed.
Teenreads The best site for teen and young adult books. Stay up to date on the newest books, get reviews, take polls, enter contests and more.