In August 1914, the German Army invaded the neutral nation of Belgium, violating a treaty that the German chancellor dismissed as a "scrap of paper." The invaders terrorized the Belgians, shooting thousands of civilians and looting and burning scores of towns, including Louvain, which housed the country's preeminent university. The Rape of Belgium recalls the bloodshed and destruction of the 1914 invasion, and the outrage it inspired abroad. Yet Larry...