Rumbling, hissing, shaking. . .a volcano is about to erupt! Learn all about volcanoes, from tectonic plates to what do when there is a volcanic warning, in this primer for young readers. Did you know there are four main types of volcanoes? Or that volcanoes are classified as active, dormant, or extinct? The Devil's Tower in Wyoming is an extinct volcano. It's about 40.5 million years old! Gail Gibbons explores the hows and whys of volcanoes, using direct sentences, maps, infographics, and illustrations. Featuring over, this nonfiction picture book is perfect for aspiring volcanologists. Fully vetted for accuracy by Dr. Einat Lev, Lamont Associate Research Professor and leader of the physical volcanology group at Columbia University's Lamont-Doherty Earth Observatory. This title is part of the Explore the World . . . with Gail Gibbons series, which promotes active learning, good citizenship, and student leadership.