Mensa Killer Sudoku : More than 200 of the most difficult number puzzles

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Author: Moore, Dr. Gareth HobbiesPublished on 14 April 2022 by Headline Publishing Group (Welbeck) in the United Kingdom.Paperback | 288 pages, 200 puzzle illus128 x 198 x 21 | 202 g Test your powers of deduction against more than 200 devilishly difficult Killer Sudoku puzzles. The revered intelligence organisation, Mensa, have worked with Gareth Moore to put together a supreme test of logic. These brand-new puzzles will provide hours of entertainment for anyone who enjoys a difficult mental challenge. Show more