|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Book Depository US||yesterday||13.79||$5.89||You save $7.90|
|Amazon UK||3 days ago||48.93||$5.89||You save $43.04|
|Amazon US||today||40.46||$5.89||You save $34.57|
David Armstrong (1957-2010) was chief operating officer and president of Armstrong Global Holdings, a multinational manufacturer. He was a highly sought-after speaker on management and business ethics, and is the author of Managing by Storying Around: A New Method of Leadership and How to Turn Your Company's Parables into Profit.