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Codes and secret writing
Herbert Spencer Zim
Paperback (Scholastic Book Services, March 15, 1970)None
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Stars;: A guide to the constellations, sun, moon, planets and other features of the heavens,
Herbert Spencer Zim
Paperback (Golden Press, March 15, 1957)None
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Insects,: A guide to familiar American insects,
Herbert Spencer Zim
Paperback (Simon and Schuster, March 15, 1956)None
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The big cats
Herbert Spencer Zim
Hardcover (Morrow, March 15, 1955)Discusses lions, tigers, cheetahs, and other big cats whose strength, speed, and cunning make them very successful hunters.
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Snails
Herbert Spencer Zim
Hardcover (William Morrow & Co, May 1, 1975)A general introduction to gastropods, or snails, of which there are approximately 80,000 kinds living in the sea, in freshwater, and on land.
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Mammals;: A guide to familiar American species,
Herbert Spencer Zim
Unknown Binding (Golden Press, March 15, 1961)None
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The universe
Herbert Spencer Zim
Paperback (Morrow, March 15, 1973)Book by Zim, Herbert Spencer
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Comets: Illustrated by Gustav Schrotter
Herbert Spencer Zim
Unknown Binding (Worlds work, March 15, 1963)None
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Metric Measure
Herbert Spencer Zim
Library Binding (William Morrow, Oct. 15, 1974)Discusses the origin and application of the metric system with examples illustrating its use.
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What's Inside of Animals
Herbert Spencer Zim
Library Binding (William Morrow & Co, June 1, 1953)None
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Tractors
Herbert Spencer Zim
Hardcover (William Morrow & Co, Oct. 1, 1972)Describes the construction and operation of the two basic kinds of tractors and the many ways that they are used.
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Comets
Herbert Spencer Zim
Library Binding (William Morrow, )None