The Japanese puzzle book that engages the mind and strengthens mental agility with brain-exercising puzzles, as enjoyed by millions of people in Japan everyday.
Dr Gareth Moore is the bestselling author of over 150 puzzle and brain-training titles from a wide range of publishers. His books have sold in excess of 5 million copies and have been published in over 35 different languages. He is also the creator of the daily brain-training site, BrainedUp.com.
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