Ancillary Justice, written by Ann Leckie, is a science fiction novel set in a future where an empire rules over multiple planets with the help of artificial intelligence. The story follows Breq, a former starship AI who seeks revenge against the empire that betrayed her. With its exploration of identity, gender, and the ethics of advanced technology, Ancillary Justice is a thought-provoking read that delves into the complexities of alien technology science fiction.