The Power of a Positive No: Save the Deal Save the Relationship and Still Say No (2007)

By William Ury

 “[A] revolutionary book that teaches you how to take the next step toward getting what you want.  It all begins with the most powerful and perhaps the most important word in any negotiating situation: No.  But saying the wrong kind of No can destroy what we value and alienate others.  That’s why saying No the right way – to people at work, at home and in our communities – is crucial.”