Saturn's Children is a science fiction novel written by Charles Stross. Set in a future where humanity has become extinct, the story follows a robot named Freya as she navigates a world populated by other robots. The book explores themes of identity, sexuality, and the meaning of existence in a post-human society. Stross's imaginative world-building and his exploration of the complexities of robot society make Saturn's Children a unique and thought-provoking addition to the robot revolution saga.