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No special skills are needed to tackle these fiendish puzzles beyond common sense, logic, and a tenacious will not to give up. The timed tests are fun and challenging and will give you an idea of your possible IQ, while the mazes cater to every level of ability. Roll up your sleeves, get your thinking cap on, and give your brain a serious workout.
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Book Description Metro Books, 2009. Condition: New. book. Seller Inventory # M143511700X
Book Description Metro Books, 2009. Paperback. Condition: New. Never used!. Seller Inventory # P11143511700X