Its a reference book, therefore, the rating system is flawed. For what it is, namely a rules compendium, it is extremely useful. I am an avid Malifaux player, and I have always found it inconvenient to have to lug around all three large scale rule books. This lightens the load significantly, which is always a boon. Additionally, this book is very well laid out, which streamlines the play process by decreasing the frantic page-flipping often associated with tabletop games. I would recommend this to anyone who plays Malifaux.