BradyGames’ Civilization IV Official Strategy Guide includes: Features a complete listing of City Improvements, Military Units and Wonders of the World. Comprehensive coverage of the Research Tree, detailing each Scientific Advance. Achieve global domination through Cultural, Economic, Military or Scientific means. Strategies for building empires for both single player and multiplayer games! A‚A A‚A Platform: PC Genre: Strategy This product is available for sale worldwide.