Altered Carbon, written by Richard K. Morgan, is a noir-style cyberpunk novel 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 is hired to solve the murder of a wealthy man. With its gritty atmosphere, complex characters, and exploration of the implications of mind-transfer technology, Altered Carbon is a gripping read for fans of science fiction and detective stories.