David Feldman الكتب
Who Put The Butter In Butterfly?
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Imponderables
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Imponderables(R): Science
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Why Do Clocks Run Clockwise?
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Do Elephants Jump?
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When Do Fish Sleep?
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Do Penguins Have Knees?
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Are Lobsters Ambidextrous?
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Why Do Pirates Love Parrots?
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How Does Aspirin Find a Headache?
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The End-of-Life Handbook
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Imponderables(R): Fun and Games
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Small By Design
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Murder On the Mound
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Collaborative Caring
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