I thought Stroud did and admirable job of wrapping this trilogy up in a believable way. I loved the way that Nathaniel changes in this one, and the way Kitty grows into a full leadership role. The plot was pretty scary. The world Stroud creates in this trilogy is much grimmer than any other fantasy I can think of, with the exception of the world of Jonathan Strange and Mr Norrell. All in all, an enjoyable finale, particularly in the audiobook format read by the fantastic Simon Jones.