Ancillary Justice, written by Ann Leckie, is a science fiction novel set in a future where an empire called the Radch rules over numerous planets. The story follows Breq, a former starship AI who now inhabits a single human body. Breq seeks revenge against the Radch for the destruction of her ship and crew. Ancillary Justice is a thought-provoking and introspective novel that explores themes of identity, gender, and the nature of power. It challenges traditional notions of personhood and raises questions about the ethics of empire.