4299899
9781402714498
Give your brain a workout on the type of brainteasers that challenge the best solvers at the World Puzzle Championships. They're tough, but fun, and the feeling of satisfaction you get when you succeed is simply unbeatable.Tuller, Dave is the author of 'Mensa Challenge Your Brain Math & Logic Puzzles ' with ISBN 9781402714498 and ISBN 1402714491.
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