Altered Carbon is a science fiction novel written by Richard K. Morgan. Set in a future where consciousness can be transferred to different bodies, known as sleeves, the story follows Takeshi Kovacs, a former soldier turned private investigator, as he navigates a world of corruption and intrigue. With its noir-inspired atmosphere and exploration of themes such as identity, mortality, and the commodification of human bodies, Altered Carbon is a gripping transhumanist dystopian tale.