A machine that can see through your body to reveal the bones inside. It sounds like science fiction Using simple text and clear photography, this book exposes readers (Ages 6-7) to the technology behind this amazing diagnostic tool.
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Mattern is the author of many books for children. Her favorite topics include animals, biography, and history. She lives in the Hudson Valley of New York State.
???zh_TW.webpac.authordescSource???:博客來網路書店