
"Like StumbleUpon for websites, and Last.fm for music, there are so-called book recommendation engines as well, that suggest titles based on previous reads. Most commonly, these are integrated in book cataloguing sites like LibraryThing and GoodReads.
For this article, we'll focus on the 'quick' book recommendation engines, that skip the whole process of cataloguing and rating all your previous reads. These three sites will hook you up with new books in a matter of minutes, working off your last (enjoyable) read, or story traits you're looking for..."
--Blog from http://www.makeuseof.com/about/ written by
Simon Slangen