Alas, Babylon by Pat Frank is a post-apocalyptic novel set in the small town of Fort Repose, Florida, following a nuclear war between the United States and the Soviet Union. The story revolves around Randy Bragg, a former army officer, and his community's struggle for survival in the aftermath of the devastation. As resources dwindle and societal structures collapse, Randy must navigate challenges of leadership, morality, and resilience while forming alliances and facing threats from both within and outside the town.