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Books by Robert Friedhoffer, Richard Kaufman

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2 books found
Matter and Energy, Book 1 (Scientific Magic Series)
Matter and Energy, Book 1 (Scientific Magic Series)
By: Robert Friedhoffer, Richard Kaufman, Linda Eisenberg
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Forces, Motion, and Energy (Scientific Magic Series) (Volume 2)
Forces, Motion, and Energy (Scientific Magic Series) (Volum…
By: Robert Friedhoffer, Richard Kaufman
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