The general rating is simply due to the fact that the author juggled several story lines flawlessly. The book is very well written, interesting and easy to understand. You do NOT have to be a White Wolf Gamer to enjoy this book or understand the various werewolf tribes, as they are explained without going into LONG detail.
The love affair between the two Garou (werewolves) is handled wonderfully, without being over-the-top or heavy handed, but showing a normal loving relationship forced to hide because of the bigotry and misunderstanding of the greater society.