David Feldman
David Feldman has written at least 17 books. Their most popular book is Imponderables: The Solution to the Mysteries of Everyday Life with 2 saves with an average rating of -⭐.
 Imponderables: The Solution to the Mysteries of Everyday Life
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 Do Penguins Have Knees? Do Penguins Have Knees?
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 Why Do Clocks Run Clockwise?
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 Fun and Games
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 How Does Aspirin Find a Headache? : An Imponderables' Book
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 When Do Fish Sleep? and Other Imponderables of Everyday Life
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 Imponderables
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 Imponderables(R) Imponderables(R): Science
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 Do Penguins Have Knees? Do Penguins Have Knees?: An Imponderables Book
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Are Lobsters Ambidextrous? Are Lobsters Ambidextrous?
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 Why do clocks run clockwise? and other imponderables: Mysteries of everyday life explained
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How Do Astronauts Scratch an Itch How Do Astronauts Scratch an Itch: Imponderables' Books
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 Who Put the Butter in Butterfly?: And Other Fearless Investigations into Our Illogical Language
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 Why Do Pirates Love Parrots? (Imponderables Books)
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 Do elephants jump?
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 Vitamin D
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 A world of imponderables
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 Who Put the Butter in Butterfly?
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