While Matt is still working on harnessing the book data that we all have contributed to, and making it available for searches, he's also been rather busy fixing other things, and even adding some nifty little features. Read all about it in this Announcements forum post.
"Who kills a man kills a reasonable creature. God's image. But he who destroys a good book, kills reason itself, kills the image of God, as it were in the eye."