More than 200 variations of the world's favourite puzzle have been created to test your Sudoku skills. 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 mental gymnastics. As well as traditional Sudoku, many varieties such as Samurai Sudoku and 3D Sudoku have been included to provide a further stern examination.
Dr Gareth Moore is the author of a wide range of brain-training and puzzle books for both children and adults, including best-selling Ordnance Survey Puzzle Book, Brain Games for Clever Kids and The Mammoth Book of New Sudoku.