Very useful !

This book is divided in 9 chapters. The first and second chapters are about the main characters and the battle characters,for exemple, the ones that helps you during the game or the different versions of sora.
The chapter 3 is about the game system, then the chapter 4 explain the scenario, world by world. Chapter 5 is about the enemies, their abilities, items, special attack.
The other chapters are explaining the mini-games, map, gummi ship and finally, the secrets in the games, followed by some artworks.