In Great War–era France, E. E. Cummings is lifted, along with his friend B., from his job as an ambulance driver with the Red Cross, and deposited in a jail in La Ferté Macé as a suspected spy. There his life consists of strolls in the cour, la soupe, and his mattress in The Enormous Room, the male prisoners’ communal cell. It’s these prisoners whom Cummings describes in lurid detail...