4.
Seedlings and Soil: Botany for Young Experimenters
by Prime, Cecil Thomas, Klein,...
ISBN: 9780385058285
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7.
Transistors and Circuits : Electronics for Young Experimenters
by Pearce, W. E., Klein, Aaron E.
ISBN: 9780385081634
List Price: $4.95
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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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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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You and Your Body: A Book of Experiments to Perform on Yourself - Aaron E. Klein - Library B...
by Klein, Aaron E.
ISBN: 9780385126458
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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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23.
Threads of Life: Genetics from Aristotle to DNA
by Klein, Aaron E.
ISBN: 9780385067577
List Price: $3.95
24.
Complete Beginner's Guide to Microscopes and Telescopes
by Klein, Aaron E.
ISBN: 9780385148542
List Price: $9.95
25.
You and Your Body: A Book of Experiments to Perform on Yourself
by Klein, Aaron E.
ISBN: 9780385050845
List Price: $7.95