4.
Seedlings and Soil: Botany for Young Experimenters
by Prime, Cecil Thomas, Klein,...
ISBN: 9780385058285
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13.
Seedlings and Soil: Botany for Young Experimenters
by Prime, Cecil Thomas, Klein,...
ISBN: 9780385005777
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Mind Trips: The Story of Consciousness-Raising Movements - Aaron E. Klein - Library Binding
by Klein, Aaron E., Klein, Cyn...
ISBN: 9780385127608
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17.
Mind Trips: The Story of Consciousness-Raising Movements
by Klein, Aaron E., Klein, Cyn...
ISBN: 9780385127592
List Price: $7.95
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Science and the Supernatural: A Scientific Overview of the Occult - Aaron E. Klein - Library...
by Klein, Aaron E.
ISBN: 9780385120371
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Hidden Contributors : Black Scientists and Inventors in America
by Klein, Aaron E.
ISBN: 9780385044004
List Price: $4.95
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Transistors and Circuits : Electronics for Young Experimenters
by Pearce, W. E., Klein, Aaron E.
ISBN: 9780385081634
List Price: $4.95
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Better Mousetrap A Miscellany of Gadgets, Labor-Saving Devices and Inventions That Intrigue
by Klein, Aaron E., Klein, Cyn...
ISBN: 9780825300301
List Price: $19.95
25.
You and Your Body: A Book of Experiments to Perform on Yourself
by Klein, Aaron E.
ISBN: 9780385050845
List Price: $7.95