"The Sirens of Titan" is a science fiction novel by Kurt Vonnegut, published in 1959. The story follows Malachi Constant, a wealthy man who embarks on a journey through the solar system, encountering various planets and their inhabitants. The narrative explores themes of free will, fate, and the search for meaning in a seemingly indifferent universe. The novel features a range of unique characters, including Winston Niles Rumfoord, a man who becomes a time-traveling entity, and Beatrice Rumfoord, his wife. As the plot unfolds, the characters grapple with the implications of their choices and the interconnectedness of life across the cosmos.