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 elite soldier turned private investigator. Kovacs is hired to solve the murder of a wealthy man, but as he digs deeper, he uncovers a web of corruption and conspiracy. Altered Carbon explores themes of identity, mortality, and the ethical implications of technology in a gripping and action-packed narrative.