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 live indefinitely. However, as society grapples with the consequences of immortality, overpopulation, and ethical dilemmas arise. The Postmortal explores the potential consequences of a transhumanist revolution and raises thought-provoking questions about the nature of life, death, and the human experience.