Although this book had somewhat more in the nature of surprises in store for the reader than the first book of the series, it still seemed to be missing something to close the deal.
I'll have to say that at least I did feel somewhat more intrigued to get to the end of the story than I did in "Sympathy for the Devil".
I think what left me flat in this book is that the main 'active bad guy', who had been built up in conversations including Lucifer himself as being REALLY REALLY evil, just wasn't all that bad. The 'active bad guy' in the third book, with no build up at all, was actually much more evil.
Another complaint I had is that the characters in this book were very stereo-typical characers for almost the entire book. Just when they got some real meat to make them interesting, the book was over. Hint to authors: endeavor to make the characters interesting throughout the book, that's just being kind to the readers.
If you wind up reading this book, you won't curse the time you spent, but there are so many better books around that if you tried to read them all, this one wouldn't actually ever get to the top of your stack.