Author(s): Graham Jones; Mensa (Contribution by)

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Mensa's Most Difficult Geometric Puzzlesprovides an exceptional challenge for even the most adept of puzzlers. The high IQ society's most ingenious puzzle setters have created a series of conundrums to stretch your spatial awareness and mathematical dexterity. With puzzles ranging from area mazes to trigonometric conundrums, this colourful puzzle book will keep you entertained for hours.