Mensa Killer Sudoku

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.

Dr Gareth Moore is the author of over 250 bestselling international puzzle and brain-training titles from a wide range of publishers. His books are available in over 40 countries, with worldwide sales of over 5 million copies. His puzzles also appear in magazines and newspapers, and can be played online at the PuzzleMix website. He is also the creator of Brained Up, a cutting-edge brain training site that offers daily sessions to help you make the most of your brain, and is a director of the UK Puzzle Association as well as a former board member of the World Puzzle Federation.

He works with a co-writer, Laura Jayne Ayres, on his murder mystery-themed puzzle books.

More than 200 never-before-seen Killer Sudoku of a progressive level of difficulty, complete with an introduction and full solutions. 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.

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