Helene Hovanec

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Ultimate Puzzle Challenge: Brain Sizzlers
Hovanec, Helene

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US$ 4.84

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The Puzzler's Paradise: From the Garden of Eden to the Computer Age
Hovanec, Helene

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US$ 6.50

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Science Puzzles for Young Einsteins
Hovanec, Helene

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US$ 5.18

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Clue Code-Breaking Puzzles
Hovanec, Helene

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US$ 6.89

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Ultimate Puzzle Challenge: Head Twisters
Hovanec, Helene

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US$ 4.85

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Word Search Puzzles for Young Einsteins
Hovanec, Helene

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US$ 5.29

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Sit & Solve Crisscross Puzzles (Sit & Solve Series)
Hovanec, Helene

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US$ 10.04

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Brainteasers for Young Einsteins
Hovanec, Helene

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US$ 5.56

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