This book proposes the theory of co-opetition in the game of business from the perspective of game theory. Using authentic business cases, this book demonstrates that the essence of business operation is War and Peace where all participants cooperate in a competition and compete in a cooperation. Using game theory strategy to change the game of business, we can magically create a win-win or multi-win situations. By conveying such revolutionary thinking, this book has become one of the best-selling books of Business Weekly in the United States.