Helene Hovanec
Popular items by Helene Hovanec
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Science Puzzles for Young Einsteins
Hovanec, Helene
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I Can Read Puzzles (My First Puzzles)
Hovanec, Helene
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Mensa Brain Twisters (Official Mensa Puzzle Book)
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Brainteasers for Young Einsteins
Hovanec, Helene
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Ultimate Puzzle Challenge: Pencil Frenzy
Hovanec, Helene
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Letter Play (My First Puzzles)
Hovanec, Helene
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Doubletalk: Codes, Signs and Symbols: From the Hit TV Show "Ghostwriter"
Susan Lurie
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