Start with No: The Negotiation Tools that the Pros Don't Want You to Know, Jim Camp (2002)
http://www.amazon.co.uk/Start-No-Negotiating-Tools-That/dp/0609608002/ref=sr_1_1?s=books&ie=UTF8&qid=1421273307&sr=1-1&keywords=start+with+no
Category: Negotiation