Getting Past No, authored by William Ury, is a guide to negotiating in challenging situations. The book focuses on dealing with difficult people and overcoming resistance in negotiations. It offers practical strategies for turning adversaries into partners and finding mutually beneficial solutions. Ury emphasizes the importance of listening, understanding the other party's perspective, and reframing the negotiation process. With real-life examples and actionable advice, Getting Past No provides valuable insights into managing conflicts and achieving positive outcomes in difficult negotiations.