With puzzles ranging from killer Sudoku to numerical crosswords, this colourful puzzle book will keep you entertained for hours.
Mensa''s Most Difficult Maths Tests provides an exceptional challenge for even the most adept of puzzlers. This full-colour book features a huge variety of numerical brainteasers that will test even the most mathematical of minds. With puzzles ranging from the familiar - such as kakuro and killer sudoku - to the exotic - such as sum skyscraper and calcudoku - this fiendish puzzle book will keep you entertained for hours. Are you up to the challenge?
