Age of Empires III: Sybex Official Strategies and Secrets (Sybex Official Strategies & Secrets)

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
Hardcore multiplayer tactics for every game mode