|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||1 days ago||44.12||$30.52||You save $13.60|
|Amazon US||1 days ago||37.44||$30.52||You save $6.92|
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.