The Great IQ Puzzle Book

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Don't just test your IQ; increase it. This immense collection of 600 visual, diagrammatic, letter, and number puzzles is a real brain-sharpener, designed to improve your performance as you work through it. Each of the 20 sections includes 30 questions that examine and focus on different abilities. They're all at approximately the same degree of difficulty, and you can only spend one hour per section. Pinpoint which of several images is the odd one out; discover number patterns; find which two words in a group have the opposite or the closest meanings. Wrestle with problems of logic, grapple with baffling sequences, and explore lateral thinking skills. This book, compiled by Ken Russell and Philip Carter, the UK Mensa Puzzle Experts, is the perfect puzzle book for anyone looking for a challenge. But the real pleasure comes when you easily solve problems that once seemed downright impossible. Illustrated with puzzles and their solutions; 208 pp.