Unabridged and complete version of Sun Tzu's THE ART OF WAR: The Oldest Military Treatise in the World. Heritage Cross Classcics produces high-quality classics in their original form.THE WORLD'S MOST READ MILITARY STRATEGY GUIDEThe Art of War is a Chinese military treatise that was written by Sun Tzu in the 6th century BC, during the Spring and Autumn period. Composed of 13 chapters, each of which is devoted to one aspect of warfare, it is considered the most definitive work on military strategies and tactics of its time, and even after thousands of year it is still one of the basic texts on military strategy.