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Improve your brain power

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Cover for Improve your brain power
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Tim PrestonJack Guthrie1 editions

Includes math problems, word games, tests of logic, memory contests, riddles, anagrams, exercises in cryptography, crosswords, arrowords, code words, optical illusions, shape puzzles, word and sequence puzzles, and mazes.

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2 credited authorsSearch language english

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  • Tim Preston

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  • Jack Guthrie

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