If you haven't noticed, Apress has not included any of their books in the Google Book Search. Today I received the Apress newsletter and they announced that they have created the Apress Superindex. Here is an excerpt from their newsletter:
If you've ever kicked yourself for not book marking that PDF or turning down the corner of the book with that cool code, stress no longer. Apress has built SuperIndex, an index capable of finding that keyword or code snippet that will make your life much easier.
Very nice! Bookmarked. Go check it out.