Library thing

Laptop with books

LibraryThing is a cataloguing and social networking site for book lovers. LibraryThing helps you create a catalogue of books: books you own, books you've read, books you'd like to read, books you've lent out ... whatever grouping you'd like.

You can contribute tags, ratings and reviews for a book, and Common Knowledge (facts about a book or author, like character names and awards), as well as participate in member forums or join the Early Reviewers program. Everyone gets the benefit of everyone else's work. LibraryThing connects people based on the books they share.