Two classic works of military strategy that shaped the way we think about warfare: The Art of War by Sun Tzu and On War by Karl von Clausewitz, together in one volume "Civilization might have been spared much of the damage suffered in the world wars . . . if the influence of Clausewitz's On War had been blended with and balanced by a knowledge of Sun Tzu's The Art of War."--B. H. Liddel Hart For...