The Postmortal, written by Drew Magary, is a dystopian science fiction novel set in a world where a cure for aging has been discovered. The story follows John Farrell, a man who chooses to undergo the cure and live indefinitely. As society grapples with the consequences of immortality, including overpopulation and resource depletion, John must navigate a world on the brink of collapse. The Postmortal explores themes of transhumanism, mortality, and the ethical implications of extending human life.