Co-Opetition : A Revolution Mindset That Combines Competition and Cooperation : The Game Theory Strategy That's Changing the Game of Business (Paperback)
by Adam M. Brandenburger, Barry J. Nalebuff

A great companion to Thinking Strategically : The Competitive Edge in Business, Politics, and Everyday Life by Nalebuff, this great book that shows how to get paid to play the game by using game theory.