The book "Doomsday 257 AD!" by Walton Bryce - a science fiction work that reveals to the reader an exciting dystopia of the future. In this book, the author combined the elements of scientific apocalypse, intense dialogue and incredible adventures. At the center of events is a world experiencing a global catastrophe, where humanity is fighting for survival in the aftermath of the catastrophe that took place in 257 AD. "Judgment Day 257 AD!" combines an exciting plot, interesting characters and philosophical reflections on the future of humanity. The book leaves behind many questions and inspires discussion about the future of our civilization.