|Other Retailer||Price Checked Time||Their Price in NZD||Our Price|
|Amazon UK||4 days ago||40.7||$25.49||You save $15.21|
|Amazon US||3 days ago||30.96||$25.49||You save $5.47|
Jonathan Goodman has been called "Sun Tzu buried under 40 layers of fun." He is the creator of the Personal Trainer Development Center (the PTDC) and Viralnomics, sold tens of thousands of copies of his books, training programs, and courses. Originally from Toronto, Jon spends his winters exploring the World.