Reader's Advisory: Reading For Fun!: Social Networking

LibraryThing is a cataloging and social networking site for book lovers.

LibraryThing helps you create a library-quality catalog of books: books you own, books you've read, books you'd like to read.

You can contribute tags, ratings and reviews for a book, and Common Knowledge (facts about a book or author, like character names and awards), participate in member forums, or join the Early Reviewers program.

LibraryThing is a cataloging and social networking site for book lovers.

You can also join genre specific book clubs!

Goodreads is like Facebook for book lovers!

• Get great book recommendations from people you know.
• Keep track of what you've read and what you'd like to read.
• Form a book club, answer book trivia, collect your favorite quotes.

Some screen shots:

Listopia: A collection of lists by subject organized by member votes.  You can use it to find like books and also rate your favorite books.

You can add books to your currently-reading, to-read, and read shelf.  Goodreads allows you to rate a book based on a 5-star system.  You can also write a review for a book you have read.

You can also read the reviews of other members!