Slaughterhouse-Five - Kurt Vonnegut

The Children's Crusade is the novel's alternate title, which means that wars are usually fought by very young men, a crime in itself. Vonnegut was in Dresden, as a prisoner, when the city was destroyed in World War II. A satirical novel against the war and also a critical point of view of American society of the time. Not that things have changed much in the last fifty years.