This science fiction novel revolves around the adventures of Martin Padway, a modern-day man who inexplicably finds himself transported to Rome during the 6th century. Faced with the decline of the Roman Empire, Padway uses his knowledge of history and modern technology to introduce innovations in an attempt to alter the course of history and prevent the onset of the Dark Ages. Through his efforts to implement social and technological advancements, he navigates the complexities of ancient politics, economics, and warfare, striving to create a better future. The story blends historical fiction with time travel, exploring themes of innovation, cultural exchange, and the impact of individual actions on the course of history.

The 9361st greatest book of all time