After [Peguy] ... had produced his art, his life was essentially complete. To save his beloved France, he volunteered for the First World War and was killed at the age of 41 while rallying his troups during preliminary skirmishes for the Battle of the Marne. His real and protracted battle, however, was already finished, and it is Roe's achievement to have restored a sense of how intense, bitter, and costly this battle was.