"Schlaak! The pickax hit the wall of earth and, sparking on an unseen shard of flint, sank deep into the clay, coming to a sudden halt with a dull thud."
These social networking sites all revolve around books. They allow you to create a virtual library of the books you've read or the books you own, rate them, connect with friends who also like to read, share booklists on particular topics, and more.