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Greg Gottstein
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Greg Gottstein
21 Published Books
Greg Gottstein
Popular Books by Greg Gottstein
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Perplexors: Level B
By:
Greg Gottstein
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Math Perplexors: Deductive Logic Puzzles, Level C, Grades 5-6
By:
Greg Gottstein
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Perplexors Expert Level
By:
Greg Gottstein
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MindWare Math Perplexors: Level A
By:
Greg Gottstein
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Math Perplexors Expert Level
By:
Greg Gottstein
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MindWare Perplexors: Level A
By:
Greg Gottstein
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MindWare STEM Perplexors: Level C
By:
Greg Gottstein
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Grid Perplexors: Level C
By:
Greg Gottstein
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MindWare Animal Perplexors Level A
By:
Greg Gottstein
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More Perplexors Level C
By:
Greg Gottstein
