Getting to yes negotiating agreement without giving in by Roger Fisher William Ury Bruce Patton

The key text on problem-solving negotiation-updated and revised

Since its original publication nearly thirty years ago, Getting to Yes has helped millions of people learn a better way to negotiate. 
One of the primary business texts of the modern era, it is based on the work of the Harvard Negotiation Project, 
a group that deals with all levels of negotiation and conflict resolution.

Getting to Yes offers a proven, step-by-step strategy for coming to mutually acceptable agreements in every sort of conflict. 
Thoroughly updated and revised, it offers readers a straight- forward, universally applicable method for negotiating personal and 
professional disputes without getting angry-or getting taken.