Hy Ruchlis
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Clear Thinking
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published
1962
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5 editions
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How Do You Know It's True?
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published
1991
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5 editions
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Mr. Wizard's 400 Experiments in Science
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published
1968
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7 editions
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Skąd wiesz, że to prawda? Różnice pomiędzy nauką a przesądami
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published
1991
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Clear Thinking: A Lively Practical Introduction to Sound Reasoning
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The Wonder of Light: A picture story of how and why we see
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published
1960
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2 editions
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Non è vero... ma ci credo! Superstizioni popolari e verità scientifiche
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How a Rock Came to Be in a Fence on a Road Near a Town
by
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published
1973
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3 editions
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Science projects: Mirrors
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published
1968
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Phonic Word Builder
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