10 Minute Su Doku Workout

Wayne Gould is the leading authority in Su Doku – the man who transformed it from a Japanese number puzzle to a worldwide phenomenon. With its logic and varying levels, Su Doku – 'the crossword without words' – is the ideal challenge for your commute, your coffee break or your evening wind–down. The daily, addictive puzzles in the 10–minute Su Doku Workout – including 150 previously unpublished – will help start you on your way to a slimmer, sharper brain, keeping you mentally fit and young.