Volcanologiststakes a look at the scientists who explore Earth's hot spots, learn more about how volcanoes work, and try to save lives by improving predictions of when volcanoes will erupt. Features include vivid photos, in-depth examinations of scientific concepts, a glossary, additional resources, source notes, and an index. Aligned to Common Core Standards and correlated to state standards. Essential Library is an imprint of Abdo Publishing, a division of ABDO.