“Book Descriptions: A self-made millionaire and best-selling author, Koch pioneered the idea that we can achieve more if we relax, enjoy life, and focus on the few things that matter most to us as unique individuals. Here he makes immensely practical the proven 80/20 sensation he lives himself and created for millions of others. Koch is the author of the international Bestseller, The 80/20 Principle.” DRIVE
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