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U.S. $12.95
Canada $15.95 |
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Rejuvenate your brain with simple calculation exercises.
Train Your Brain: 60 Days to a Better Brain was a number-one bestseller in
Japan, even outperforming the Harry Potter books at one time. And now, after
selling over a million copies and inspiring countless copycats in its home
country, this revolutionary title is available in an English-language edition!
> Read more...
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