The definitive work of military strategies, The Art of War, devotes each of its thirteen chapters to a different aspect of warfare. According to Sun Tzu, by focusing on response to a set of possible conditions, rather than the completion of a thorough list, successful military outcomes are more likely. Known as one of the oldest and most respected books on military strategy, The Art of War has left a large impression on Eastern military and, more recently, modern-day business tactics.