Collection: Age 13

3 products
  • How Everything Works : From Brain Cells to Black Holes
    How Everything Works : From Brain Cells to Black Holes
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    $17.5
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    $17.5
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  • What If? 2 : Additional Serious Scientific Answers to Absurd Hypothetical Questions
    What If? 2 : Additional Serious Scientific Answers to Absurd Hypothetical Questions
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    $15
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    $15
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  • Wreck This Journal: Now in Color
    Wreck This Journal: Now in Color
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    $8
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    $8
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