To celebrate 3,000 new friends on our GalleyCat Facebook page, we’ve compiled a list of the top 20 book-focused apps on Facebook–we’ve ranked them in order of monthly active users.

Below, you can check out the complete list. These online tools will help you pick books, find book clubs, take quizzes, and swap books. What’s your favorite book related app on Facebook?

1. Goodreads: Place where you see what your friends are reading. (150,734 monthly active users)

2. Visual Bookshelf: See what your Friends are Reading, Write Reviews, and Recommend Books; Meet new People who are Reading your Favorite Book! (95,048 monthly active users)

3. weRead: lets you share your bookshelf. See what your friends are reading. Millions of books and reviews. Chuck a book at a friend, write reviews, take the Quiz, join a Book Club, get Book Recommendations, meet new People! (57,870 monthly active users)

4. aNobii Books App: Shelve, find and share books in Facebook. (32,259 monthly active users)

5. I’m Reading: List and rate the books you are reading. Browse through reviews your friends have written and discover some great new book ideas! (15,722 monthly active users)

6. Comic Books Beta: Stay on top of new comics as they are released each week from the major publishers such as Dark Horse, DC, Image and Marvel (7,601 monthly active users)

7. PaperBackSwap: share your information from PaperBackSwap.com on Facebook: books you receive, mail, and post as well as your current bookshelf, wish list, books I’ve read, and books to be read, ratings, and reviews. (7,339 monthly active users)

8. Excellent Books: Great Books (4,773 monthly active users)

9. Lendle: Kindle™ Book Sharing: Lendle is the easiest, fastest, fairest, and best way to lend and borrow Kindle™ books. (4,337 monthly active users)

10. AuthorPages by Rethink Books: provides solutions for authors to showcase their works on Facebook Pages. (3,871 monthly active users)

(more) 

http://www.mediabistro.com/galleycat/top-20-book-focused-facebook-apps_b28441