Healthy earth, healthy bodies

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Abdo & Daughters, 1991 - Juvenile Nonfiction - 32 pages
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Describes how environmental contamination by various toxic substances can make people sick and suggests ways of preventing or fighting such hazards.

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About the author (1991)

Kallen is the author of more than 150 nonfiction books for children and young adults. He has written extensively about Native Americans and American history. In addition, he has written award-winning children's videos and television scripts. In his spare time, Kallen is a singer/songwriter/guitarist.