The Times Big Book of Ultimate Killer Su Doku: 360 of the Deadliest Su Doku Puzzles (the Times Su Doku)

The Times Mind Games

$16.99 Paperback
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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 collection of more than 360 puzzles for hardcore Ultimate Killer Su Doku solvers. Selected from the pages of The Times these puzzles will challenge the sharpest minds.

Includes Deadly-level Killer puzzles, and Extra Deadly, to really test your limits: thjs is the only placevyou'll find such a torturous collection in a single book.

The Times Ultimate Killer Su Doku is not for the fainthearted. The puzzles use the same 9x9 grid asvSu Doku, and have an added mathematical challenge. The aim is not only to complete every row, column and cube so that it contains the digits 1-9, it is also necessary to ensure that the outlined cubes add up to the same number as well.

But unlike with previous books, there is no chance to ease yourself in with Easy, or even Tough puzzles: this book is the ultimate Killer Su Doku - completely deadly.

Puzzles in this collection are taken from Times Ultimate Killer Su Doku Books 1, 2 and 3.

ISBN: 9780007983162
Publication Date: 04-Mar-2021
Publisher: HarperCollins Publishers Limited