New York Post Train Your Brain Su Doku: Difficult

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HarperCollins, Oct 7, 2008 - Games - 240 pages
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The official utterly addictive number-placing puzzle

Give your brain a workout with these all newDifficult-level puzzles. Their addictive power willnot only entertain—Su Doku puzzles engageyour mind, improve your concentration, and helpyou stay mentally fit. There's no excuse for slowthinking and flabby wits when you can trainyour brain!

Beware of pale imitations. These are the original andofficial Su Doku puzzles by Wayne Gould—New York Post'sSu Doku puzzle master and one of Time magazine'sMost Influential People.

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About the author (2008)

Wayne Gould is the brains behind Su Doku. A former High Court judge in Hong Kong, he now spends his time developing the puzzle.

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