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.
"The First Book: Go ahead, it won't bite. Well... maybe a little. More a nip, like. A tingle. It's pleasurable, really. You see, it keeps on opening. You may fall in. Sure, it's hard to get started; remember learning to use knife and fork? Dig in: you'll
never reach bottom. It's not like it's the end of the world -- just the world as you think you know it."