The Sonic Adventure: Official Strategy Guide, made by BRADYGAMES, is much like all strategy guides released but BRADY GAMES. Its easy to understand, has many screen shots, and has incredible depth.
Playable Characters
Each of the six characters (Sonic, Knuckles, Tails, Amy, E-102 Gamma, and Big The Cat) have unique special abilities and characteristics. Lucky for you The Sonic Adventure: Official Strategy Guide describes in detail the differences between the characters and which special abilities each has. Not only does this guide give you background information on the main playable characters in the game but also the supporting cast which include: Froggy, Birdie, Tikal, Pachacamac, Tornado, and Tornado 2.
Enemies
Now that you know who you will be controlling and their friends that will help you along you way the Sonic Adventure: Official Strategy Guide lets you get to know your enemies and bosses. Choas and Dr. Eggman will never know what hit them.
Environment
With detailed maps and screenshots from each stage the Sonic Adventure: Official Strategy Guide lets you know what kind of an environment you will be moving around in throughout the adventure.