Twelve-year-old Maribel daydreams at school, but when she defies evacuation orders to return home just as Mount St. Helens erupts in 1980, she must focus in order to survive. Includes historical note, glossary, and discussion questions.

For months in early 1980, scientists, journalists, sightseers, and nearby residents listened anxiously to rumblings in Mount St. Helens, part of the chain of western volcanoes fueled by the 700-mile-long Cascadia fault. Still, no one was prepared when an immense eruption took the top off of the mountain and laid waste to hundreds of square miles of verdant forests in southwestern Washington State. The eruption was one of the largest in human history,...