Started off pretty good, ended up being just ok. In my opinion, it just got far too unbelievable as the story progressed. The fact that Nick was far too quickly and easily able to get past his disbelief, and that along with the fact that he pretty much trampled all over what I would consider to be normal police procedure pretty much took me out of the story. For example,
(show spoiler)
The characters could have stood a little more fleshing out, as well.
I didn't hate it, but I didn't love it, either. I would probably be willing to read another book by this author another time.