|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon US||8 days ago||36.05||$19.47||You save $16.58|
|Book Depository US||15 days ago||27.37||$19.47||You save $7.90|
|Amazon UK||9 days ago||25.34||$19.47||You save $5.87|
Herb Cohen has been called "the world's best negotiator." He's internationally renowned as a corporate and governmental consultant on negotiating strategy, commercial dealings and crisis management. As a U.S. presidential advisor, he has helped to formulate policy on hostage negotiations and terrorism. He is president of the Power Negotiations Institute in Northbrook, IL.