Jim O'Connor is the author of What Was the Battle of Gettysburg? and Who Is Bob Dylan? He lives in New York City.

The morning of August 24, AD 79, seemed like any other in the Roman city of Pompeii. So no one was prepared when the nearby volcano Mount Vesuvius suddenly erupted, spouting ash that buried the city and its inhabitants. The disaster left thousands dead, and Pompeii was no more than a memory for almost 1,700 years. In 1748, explorers rediscovered the port city with intact buildings and beautiful mosaics. This easy-to-read account is gripping and includes photos of the ruins.