An English literature major at Harvard with a talent for writing, twenty-one-year-old David Kenyon Webster volunteered for duty in the U.S. Army's parachute infantry in 1943 with the aim of seeing combat firsthand and then describing his experiences. His introduction to warfare came at the invasion of Normandy on D-Day in 1944. Webster went on to see considerable action in the next two years, serving as a combat infantryman in the campaign through...