The Complete Book to Develop Your I.Q.

 199.00 399.00 (-50%)

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Whatever your I.Q., it is almost certainly under performing, particularly under the pressures of testing. Your brain is more capable than the best computer — have fun reprogramming it to produce a better achievement. 360 structured puzzles will reveal the techniques that improve your performance.

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The Complete Book to Develop Your I.Q.

 199.00 399.00 (-50%)

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