The Postmortal, written by Drew Magary, is a science fiction novel set in a world where a cure for aging has been discovered. The story follows John Farrell, a man who decides to undergo the 'cure' and chronicles the societal and personal consequences of immortality. With its exploration of the ethical and social implications of transhumanist technologies, The Postmortal offers a thought-provoking take on a future where death is no longer inevitable.