This book assembles a collection of three of the most influential military writings of all time: du Picq's BATTLE STUDIES, an established authority on the effect of "moral force" on battle; Clausewitz's PRINCIPLES OF WAR, which has had an effect on the destiny and welfare of the world like few other books; and Jomini's ART OF WAR, which teaches Napoleonic doctrine, which has exerted a strong influence on the development of modern military thought.