Mensa's Most Difficult Maths Tests: Prove your arithmetic prowess by solving the toughest numerical puzzles

(Paperback)

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Mensa's Most Difficult Maths Tests provides an exceptional challenge for even the most adept of puzzlers. All aspects of arithmetical thinking are tested by the high IQ society's finest puzzle-setters. With puzzles ranging from killer Sudoku to numerical crosswords, this colourful puzzle book will keep you entertained for hours.

Author Bio

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.