What Makes Day and Night (Let's-Read-and-Find-Out Science 2) by Dr. Franklyn M. Branley, Arthur Dorros
$2.48
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'Accompanied by NASA photographs and Dorros's colorful, lively drawings, the text explains the Earth's rotation in clear and simple terms. An experiment using a lamp as the 'sun' further clarifies the principles introduced.' --BL.
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$2.48
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