The Pokemon X/Y guidebook has information about the entire story of the game. It has information on all the gym leaders and their weaknesses. It helps beat the game if you're stuck on a specific part of the game. It also has a Pokemon in the Kalos Region and there moves and types. The guidebook also knows where all the characters are while you're trying to best the game or postgame.
It's a useful book if you can ever get it.
