The Times Ultimate Killer Su Doku Book 8: 200 Of The Deadliest Su Doku
Puzzles

Product Description

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 tests their mettle Prepare yourself for the toughest Su Doku challenge there is These diabolically difficult Ultimate Killer Su Doku puzzles will really put your brainpower to the test as you warm up' with the 150 Deadly Killer puzzles before steeling yourself to take on the 50 Extra Deadly Su Dokus Are you ready for the challenge? Not for the faint-hearted The puzzles use the same 9x 9 grid as a regular Su Doku but have an extra mathematical element that multiplies the challenge The aim is not only to complete every row column & cube so that it contains the digits 1 to 9 but also to make sure that the outlined sections called cages add up to the number given in each cage If you survived the first five collections of Ultimate Killer Su Doku then you might just be ready to take on the sixth Warning Not suitable for amateur puzzlers!