Age 12+
Grade 7-9

Time-Life Books

Machines and Inventions

Hardcover (Time Life Education Oct. 1, 1993)
Questions and answers explain how a variety of machines operate and how they were invented
Series
Understanding Science and Nature
ISBN
0809497042 / 9780809497041
Pages
151
Weight
25.6 oz.
Dimensions
8.8 x 0.5 in.

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