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Killer Sudoku 1The Deadly New Dimension
By Ian Collins UK Staff
HarperCollins Publishers, Inc.Copyright © 2006 Ian Collins UK Staff
All right reserved.
When The Times introduced Su Doku to Britain and to the planet in November 2004 we knew that it was a deceptively complex puzzle which our readers would love. Happily this was a serious misjudgement. Su Doku's ability to turn casual puzzlers into addicts has ensured that it has become an international phenomenon. Many millions ofpeople in dozens of countries daily fill the grid so that every column, every row and every 3x3 box contains the digits one to nine. In the UK, The Times Su Dokubooks have set the standard by which our imitators have been judged but recently some enthusiasts have been wondering what happens when they work out how to complete a fiendish Su Doku in a few minutes (yes, I hate them too). Where do we go from here?
The answer is Killer Su Doku. It's based on the Su Doku grid, with the same rules and numbers one to nine -- but with an added deadly twist. This time there is an element of arithmetic involved and there are few, if any, number clues. Each puzzle also has a time worked out by its Japanese setters so you can try to beat the clock. For the simple rules and some helpful tips see overleaf. We think Killer Su Doku is a worthy successor to the puzzle that has infuriated and entertained you over the past year.
Killer Su Doku is a deadly new dimension -- good luck.
Michael Harvey, Features Editor, The Times
Excerpted from Killer Sudoku 1 by Ian Collins UK Staff Copyright © 2006 by Ian Collins UK Staff. Excerpted by permission.
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