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.

This book includes more than 200 never-before-seen Killer Sudoku of a progressive level of difficulty, complete with an introduction and full solutions. It is guaranteed to provide hundred of hours of puzzling enjoyment.

About the Author
Dr Gareth Moore is one of the world's leading puzzle-setters, with more than 750,000 book sales to his name. He is the author of more than 75 international brain-training titles including the bestselling puzzle book The Ordnance Survey Puzzle Book, which has sold more than 120,000 copies in the UK. He is also the creator of Brained Up, a cutting-edge brain training site offering scientifically designed daily sessions to help you make the most of your brain. Mensa is the largest and oldest high IQ society in the world. It is a non-profit organization open to people who score at the 98th percentile or higher on a standardized, supervised IQ or other approved intelligence test.


Book Information
ISBN 9781802791846
Author Dr. Gareth Moore
Format Paperback
Page Count 288
Imprint Welbeck
Publisher Headline Publishing Group
Weight(grams) 220g
Dimensions(mm) 196mm * 128mm * 22mm