|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||1 days ago||44.83||$31.74||You save $13.09|
|Amazon US||5 days ago||36.66||$31.74||You save $4.92|
John Tirman is Executive Director of the Winston Foundation for World Peace, a grant making institution based in Washington, D.C. He has written numerous articles and is the author, co-author or editor of four previous books.