"The Art of War" by active 6th century B.C. Sunzi is an ancient Chinese military treatise dating from the 5th century BC. Composed of 13 chapters, each addresses different aspects of warfare, military strategy, and tactics. The work emphasizes intelligence operations, environmental conditions, and discipline. For centuries, it has profoundly influenced military thinking across East and West, shaping the strategies of commanders from ancient Chinese kings to modern generals, and remains one of history's most influential texts on strategy.