That poor woman, she should have left this one on the drawing board. Obviously she was struggling for a title, because the 60 whiskers tie-ins seem jotted into the margins of the useful dialogue, and comes to nothing in the end.
While no one seemed to be acting in character, what really bothered me about this edition is the fact that Qwill's reactions were not only odd for him, but odd for any one of us. Not wanting to go into spoilers, he has no reaction to any of the entirely bizarre (read: badly contrived) catastrophes happening to him. The mysteries don't get solved, many things happen for no reason as though she'd forgotten to tie them to any causes, and the ending feels less like an ending and more like someone cleaned off the previous books with a dry erase pad and started from scratch.
In an effort to stand up to the outpouring of fans certain Ms. Braun didn't write this book, her son publically announced that she had written it despite her illness and that she was very proud of it (despite the horrible reception destroying plans for the next book, The Cat Who Smelled Smoke). In my opinion, he should have kept his mouth shut and allowed her empire to end with a little dignity.