| #2 |  Non Violent Communication A Language of Life
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| #3 |  Influence
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| #4 |  Talking to Humans
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| #5 |  Crossing the Chasm: Marketing and Selling Disruptive Products to Mainstream Customers
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| #6 |  Getting to Yes: Negotiating Agreement Without Giving In
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| #7 |  The Culture Code: The Secrets of Highly Successful Groups
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