Slaughterhouse-Five, written by Kurt Vonnegut, is a unique blend of science fiction and anti-war satire. The protagonist, Billy Pilgrim, becomes unstuck in time after being abducted by aliens known as Tralfamadorians. The narrative jumps back and forth between different moments in Billy's life, including his experiences as a prisoner of war during World War II. This book offers a thought-provoking commentary on the horrors of war and the concept of free will.