The Times Ultimate Killer Su Doku Book 14: 200 of the Deadliest Su Doku Puzzles

This is the only volume for Su Doku enthusiasts who need a puzzle that really tests their mettle. It includes 100 Deadly Killer Su Doku puzzles and 100 Extra Deadly Su Dokus, which use the same 9x9 grid as a regular Su Doku but have an extra mathematical element that multiplies the challenge. Warning: Not suitable for amateur puzzlers!

Format: Paperback / softback
Length: 288 pages
Publication date: 06 January 2022
Publisher: HarperCollins Publishers

Are you looking for a truly challenging Su Doku experience? Look no further than this collection of puzzles specially compiled to provide the ultimate Su Doku challenge. This is the only volume for Su Doku enthusiasts who demand a puzzle that truly 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 100 Deadly Killer puzzles before steeling yourself to take on the 100 Extra Deadly Su Dokus. Are you ready for the challenge?

Not for the faint-hearted. The puzzles use the same 9x9 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, and 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.

Warning: Not suitable for amateur puzzlers!

Weight: 206g
Dimension: 130 x 198 x 21 (mm)
ISBN-13: 9780008472689