Although this book had its ups and downs as far as my complaints went, it has a truly touching ending, to the point where I was near tears with 'Dad.' For that alone, I think this is a book worth giving a read, because if you love dogs, or animals, and see their devotion and love the way I do, it'll break your heart and sew it back together all at once.
Now on to the bad. Some of the characters didn't really make sense. Flopsy, for instance, the antagonist introduced at the beginning as a scammer trying to get money out of suing the family over Thor. His vindictiveness is never explained. It can't possibly be that he's never failed to scam someone before. Scam artists should be used to the person who catches on to them, and they generally scatter with whatever they can get out of it. This man is backed into a corner by a lawyer, is offered money, and decides to...flake and sue the lawyer anyway in hopes of...getting his dog put down? Eh? Why? He doesn't get anything out of that. In fact, all he gets out of it is paying the lawyer he has to hire in the first place. Unless he thinks he can actually win, but he'd have to be an idiot to think so. Not that he isn't an established idiot, but come on. A scammer should know what shot is worth it and what shot isn't.
Ted, also, has a few shaky points. It was difficult to feel sorry for him by the end of the book, particularly given his dialogue, even when not under the spell of the werewolf/moon. He becomes less and less sympathetic as time goes on and he continually and knowingly puts the people he supposedly loves in danger. Not to mention their dog, and his refusal to step in when the family decides to send him off to die at the pound.
Debbie was more or less an unnecessary character, but otherwise I had no complaints over her.
Tom, however, is a complete and utter idiot, and he irritated me almost the entire way through the book. Unlike the other characters, he claims to have had dogs his entire life, yet his reaction to Thor's odd behavior is not to trust him, to observe it properly, to take precaution, but to decide he's sick or insane and therefore unsafe. This was frustrating, especially for a person like myself, who trusts an animal's instincts far above any human's, partly for the fact that I have had many animals in my life. Thor's punishments were unfair, harsh, and ultimately served to make the family more or less unlikable, and it was only Thor's love for them that saved them as characters, in my personal opinion.
Other than that, this was a suspenseful, good read, with enough gore to satisfy those that came for werewolves and the associated horror, and enough beautiful, loving German shepherd for those that came for the dog.