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Seeing Nature Deliberate Encounters With the Visible World
by Krafel, Paul
ISBN: 9781890132422
List Price: $25.00
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Ten Digits Challenge - Middle School : Patterns in Arithmetic
by Krafel, Paul
ISBN: 9781941961261
List Price: $5.00
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Ten Digits Challenge - High School : Patterns in Arithmetic
by Krafel, Paul
ISBN: 9781941961278
List Price: $3.00