About the Author

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DR. ELLEN J. PRAGER writes on geology and marine-related topics for children and adults and is the Assistant Dean at the Rosentiel School of Marine and Atmospheric Science at the University of Miami. She's the author of The Furious Earth: The Science and Nature of Earthquakes, Volcanoes, and Tsunamis. She is also the author of two other Jump Into Science books, Volcano! and Sand.