The Times Killer Su Doku Book 1

Challenge yourself at home with word and number puzzles Killer Su Doku poses an even greater challenge than the Fiendish Su Doku puzzles.Here are 1...

The newest volume in the hugely popular Killer Su Doku series from the puzzles suppliers to the Times, featuring the highest-quality puzzles with a...

This sixth and toughest addition to the successful Times Killer Su Doku series will test your skills to the limit, adding the challenge of arithmet...

DescriptionSpecially compiled to provide the most devilishly difficult challenge, Ultimate killer Su Doku 4 is the only volume for Su Doku enthusia...

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...

Prepare yourself for the toughest Su Doku challenge there is. These diabolically difficult Ultimate Killer Su Doku puzzles will really put your bra...

For anyone who loves the challenge of Su Doku but manages to solve them within minutes, you can now enjoy the extended mental workout and ultimate ...