Vero Beach, FL : Rourke Press, 1998

Minneapolis : Millbrook Press, 2009

Concord, MA : Hippocratic Press, 2004
1st American ed. 2004.

New York : Children's Press, 2003

New York : Franklin Watts, 2002

New York : Marshall Cavendish Benchmark, 2011

Mankato, Minn. : Capstone Press, 2007

[Atlanta, Ga.] : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 2001

London : Lerner, 2009
Second edition

Minneapolis, Minn. : University Media Resources, Continuing Education & Extension, University of Minnesota, 1988

New York : Random House, 1992

Minneapolis, Minnesota : Bearport Publishing, 2023