Vacation Under the Volcano by Mary Pope Osborne

Jack and Annie arrive in ancient Pompeii on the eve of the eruption of Mount Vesuvius. Unaware of the danger at first, they explore the bustling Roman city and try to locate a mysterious library scroll. As tremors grow stronger and ash fills the sky, they must flee the city and escape disaster. The story is packed with suspense, historical details, and a race against time. It’s a gripping blend of education and action centered on a real historical tragedy.