Kurt Vonnegut’s life was not without its ironies. Fighting in World War II, that descendant of a long line of German immigrants in the United States found himself imprisoned in Dresden just when it was devastated by Allied firebombing. To understand the relevance of this experience to his literary work, one need only know that his captors made him live in a slaughterhouse. It’s not surprising that anti-war sentiments would surface again and again in the books he wrote after coming home. But one...