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The first Times Su Doku book sparked a worldwide publishing phenomenon – sales have topped 4 million copies worldwide since March 2005.
A fifth collection of 100 previously unpublished puzzles from the man who started it all, Wayne Gould. Four levels of difficulty – easy, mild, difficult and fiendish – to challenge, stimulate and divert all Su Doku addicts. The Times Su Doku remains the original, the best and the market leader.