"Slaughterhouse-Five" is a novel by Kurt Vonnegut that follows the life of Billy Pilgrim, a soldier who becomes "unstuck in time." The story shifts between different moments in his life, including his experiences during World War II, his time as a prisoner of war, and his encounters with extraterrestrial beings from the planet Tralfamadore. The narrative explores themes of fate, free will, and the destructiveness of war. It is known for its unique structure and dark humor, as well as its anti-war message, particularly focusing on the bombing of Dresden, which serves as a pivotal event in the story.