All kinds of people everywhere are going mad for Su Doku. Individually, The Times Su Doku Books 1,2 & 3 have been a sensational success enjoying unprecented levels of sales for puzzle books.

This elegant slipcase containing all three books will make an ideal purchase or gift for anyone who has recently discovered the joys of tackling Su Doku and great value at only 12.99.

For those still in the dark, Su Doku is a number grid consisting of 9 large squares each divided into 9 smaller squares. Between 3 and 4 numbers are already provided in each of the smaller squares. The point is to fill the grid so that every column, every row and every 3x3 box contains the digits 1 to 9. Each book contains over 100 unpublished puzzles graded easy, mild, difficult and fiendish. The easy puzzles are the ideal way to get started and to build confidence before attempting to crack the more difficult levels. Dont be put off if you cannot do a fiendish puzzle. Thousands of Su Doku addicts struggle with this level.

Wayne Gould, 59, is the brains behind this new craze and is becoming known as the Su Doku puzzle master. Now retired, he was a High Court judge in Hong Kong.