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The Times Su Doku 2: The original number-placing puzzle    compiled by Wayne Gould order for
Times Su Doku 2
by Wayne Gould
Order:  USA  Can
HarperCollins, 2005 (2005)
* *   Reviewed by Hilary Williamson

Wayne Gould, who first came upon Su Doku (which translates to number puzzle) in a Tokyo bookshop, created the puzzles in this book, organizing them into four groups - Easy, Mild, Difficult, and Fiendish (answers are provided at the back).

Essentially, Su Doku puzzles are 9x9 matrices, which are viewed as rows, columns and 4 groups of 3x3 boxes. Each puzzle comes with a scattered set of numbers filled in, and has a unique solution, by which all the numerals from 1 to 9 appear in every row, every column, and every box, only once in each set.

Sound challenging? It is, but read the author's slicing-and-dicing tips, then start with the first Easy puzzle and keep on going. And one more tip - these slim volumes make great stocking stuffers for young and old.

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