Warning: This review does contain some spoilers of the previous book, The Adamantine Palace.
The problem with sequels is that they often seem to serve as little more than a way to fill in the space between the beginning and the end of a series. In almost all of the sequels that I've recently read the stories seemed to drag on without any real purpose, other than to lead us to the next book, with the characters drifting through like forgotten ghosts....