The Postmortal, written by Drew Magary, is a thought-provoking 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 consequences of immortality on society. With its exploration of the ethical, social, and personal implications of transhumanist technologies, The Postmortal offers a compelling and cautionary tale about the pursuit of eternal life.