Mensa Killer Sudoku: More than 200 of the most difficult number puzzles - Dr Gareth Moore; Mensa Ltd (Paperback) 14-04-2022

Mensa Killer Sudoku: More than 200 of the most difficult number puzzles - Dr Gareth Moore; Mensa Ltd (Paperback) 14-04-2022

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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 provid