Paperback - 176 pages - 175 mm x 112 mm

"The utterly addictive number placing puzzle."

Since it first appeared in The Times in November 2004, Su Doku has attracted a huge following. Many thousands of readers either start or end their day by tackling 'the crossword without words' as it has been described. Here is a collection of 100 previously unpublished puzzles together with their solutions. They are arranged according to difficulty: starting with the easiest and ending with the fiendishly difficult.

Remember: you don't need to be a mathematical genius to solve these puzzles; it is simply a question of logic...

Contains 100 puzzles with solutions graded from easy to fiendish.