Slaughterhouse-Five, or The Children's Crusade: A Duty-Dance with Death (1969) by Kurt Vonnegut
The full title-
"Slaughterhouse-Five, or The Children’s Crusade: A Duty Dance with Death, by Kurt Vonnegut, a Fourth-Generation German-American Now Living in Easy Circumstances on Cape Cod [and Smoking Too Much], Who, as an American Infantry Scout Hors de Combat, as a Prisoner of War, Witnessed the Fire Bombing of Dresden, Germany, ‘The Florence of the Elbe,’ a Long Time Ago, and Survived to Tell the Tale. This Is a Novel Somewhat in the Telegraphic Schizophrenic Manner of Tales of the Planet Tralfamadore, Where the Flying Saucers Come From. Peace."