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.

Σελίδες: 288

Έτος Έκδοσης: 0719

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