Proskauer, Julien J., Puzzles for Everyone. (ID-17705)

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Pearson, A. Cyril, Twentieth Century Standard Puzzle Book. (ID-17410)

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Leach, Chuck, Spring and Ring Book, The. (ID-13626)

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Hoffmann, Professor, Puzzles Old and New. (ID-10930)

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Hoffmann, Professor, Professor Hoffmann’s Best Math and Logic Puzzles. (ID-10922)

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