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The puzzles have been compiled by a vastly experienced team of setters, all of whom are accredited by Mensa: John Bremner, Phil Carter, Dave Chatton, Harold Gale, Peter Jackson, Ken Russell and Carolyn Skitt. The collection was compiled by Mensa puzzle supremo Robert Allen.

This brilliant book includes word puzzles, lateral thinking problems, visual puzzles, logical enigmas, riddles, number puzzles, spatial problems and much, much more. The brainteasers have been carefully graded by type and level of difficulty so that anyone, no matter what their puzzle-solving ability, can enjoy hours of amusement.; All answers are included.