Describes different kinds of microorganisms, including bacteria, fungi, and algae, and both their harmful and beneficial effects, as well as efforts to prevent the harm that some germs cause.
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ISBN: 073770943X (lib. bdg.)
Physical Description:48 p. : col. ill. --print
General Note: LSC 32.35"KidHaven Press."
Bibliography, etc. Note: Includes bibliographical references (p. 44) and index.