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Sally M. Walker has brought science to life in more than 20 books for young readers, including Secrets of a Civil War Submarine and Blizzard of Glass. Her research has seen her corresponding with experts in archaeology, geology, forensic anthropology, and genealogy, interviewing scientists, and touring the Warren Lasch Conservation Center in North Charleston, South Carolina, where she saw the H.L. Hunley and her artifacts. Walker lives in DeKalb, Illinois.
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