Mensa's Most Difficult Geometric Puzzles - Tricky puzzles to challenge every angle (Jones Graham)(Paperback / softback)

Mensa's Most Difficult Geometric Puzzles provides 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 200 puzzles, you will come up against area mazes, trigonometric conundrums and dastardly dissection puzzles. This colourful puzzle book is certain to keep you entertained for hours.
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