The oldest know military text on the planning and conduct of military operations. Examining not only ways to win war but to avoid them all together whenever possible. All the tactics are laid out so they are easy to understand from getting everything over quickly, relevant economic, political and psychological factors of war. The influence that this book has had for the last two thousand years has been vast, from government policy to business decisions. The Art of War by Sun Tzu has become a definitive study in combat.