The Ultimate Book of Sudoku, Paperback

The ideal gift for su doku enthusiasts. If you like to live dangerously and push beyond your mental comfort zone, steel yourself for The Times' tou...

Specially compiled to provide the most deadly Su Doku challenge, this is the only volume for Su Doku enthusiasts who need a puzzle that really test...

Challenge yourself at home with number puzzles If you like to live dangerously and push beyond your mental comfort zone, steel yourself for The Tim...

These diabolically difficult Ultimate Killer Su Doku puzzles will really put your brain power to the test as you "warm up" with the 150 Deadly Kill...

DescriptionThese diabolically difficult Ultimate Killer Su Doku puzzles will really put your brainpower to the test as you warm up with the 150 Dea...