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The fourth collection of the best-selling Times Su Doku puzzles,with exclusive ‘Alpha Doku’ letter puzzles.
The Times Su Doku Book 4 includes exclusive ‘Alpha Doku’ LETTER PUZZLES
5 Easy Puzzles
30 Mild Puzzles
5 ‘Alpha Doku’ Letter puzzles
40 Difficult puzzles
20 Fiendish puzzles
For those still in the dark, Su Doku is a number grid consisting of 9 large squares each divided into 9 smaller squares. You must complete the grid so that every column, every row and every 3x3 box contains the digits 1 to 9.
Wayne Gould, 59, is the brains behind this new craze. Now retired, he was a High Court judge in Hong Kong.
People everywhere are crazy about Su Doku. Find out what all the fuss is about by having a crack at The Times Su Doku, the original, the best and the market-leader.