Age of Empires III: Sybex Official Strategies and Secrets by Doug Radcliffe
This exclusive, official strategy guide, written with the full cooperation and support of Ensemble Studios and Microsoft Game Studios, features: strategies and tips straight from the game's creators; expert analysis of each civilization's strengths and weaknesses; detailed military and economic strategies; in depth statistics for everything in the game; step by step walkthrough of the single player campaign; and, hardcore multiplayer tactics for every game mode.