For those who like to live dangerously and push beyond their mental comfort zone, steel yourself for The Times' toughest Ultimate Killer puzzles. A bumper colle
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' toughest Ultimat
Specially compiled to provide the most deadly Su Doku challenge, Ultimate Killer Su Doku 6 is the only volume for Su Doku enthusiasts who need a puzzle that rea
Specially compiled to provide the most deadly Su Doku challenge, Ultimate Killer Su Doku 6 is the only volume for Su Doku enthusiasts who need a puzzle that rea