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1
Light and shadow
New York : Parents' Magazine Press, 1972Format: Book
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2
Water for today and tomorrow
New York : Parents' Magazine Press, 1973Format: Book
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3
What is sound?
New York : Parents' Magazine Press, 1973Format: Book
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4
Matter all around you ; a book about solids, liquids, and gases
New York : Parents' Magazine Press, 1972Format: Book
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5
Heat and fire
New York : Parents' Magazine Press, 1973Format: Book
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6
The flying shoes.
New York : Parents' Magazine Press, 1973Format: Book
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