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Was hat Pythagoras mit Girlanden zu tun?: Die 125 besten Rätsel aus 2000 Jahren Mathematik
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The Language Lover's Puzzle Book: Lexical perplexities and cracking conundrums from across the globe
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So you think you've got problems?: Surprising and Rewarding Puzzles to Sharpen Your Mind.
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The Language Lover's Puzzle Book (Puzzle Books)
The Language Lover's Puzzle Book (Puzzle Books)
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Was hat Pythagoras mit Girlanden zu tun?: Die 125 besten Rätsel aus 2000 Jahren Mathematik
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Enigmi. I migliori rompicapi logici e matematici di tutti i tempi (Einaudi. Stile libero extra)
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