Slaughterhouse-Five, written by Kurt Vonnegut, is a satirical science fiction novel that blends elements of time travel, war, and existentialism. The story follows Billy Pilgrim, a World War II soldier who becomes unstuck in time and experiences his life in a non-linear fashion. Through Billy's journey, Vonnegut explores the horrors of war, the concept of free will, and the absurdity of human existence. Slaughterhouse-Five is a thought-provoking and darkly humorous novel that continues to resonate with readers.