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Questions and Answers Inventions: How? Why? Where? When?

Grade 3-4

Louise Spilsbury

Questions and Answers Inventions: How? Why? Where? When?

Hardcover (Parragon Inc Oct. 1, 2007)
Answers questions about inventions and innovations related to farming, construction, energy, manufacturing, transportation, navigation, space, weapons, medicine, time, communications, and entertainment.
ISBN
140549462X / 9781405494625
Pages
224
Weight
38.4 oz.
Dimensions
9.0 x 0.8 in.

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