|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||2 days ago||34.41||$24.42||You save $9.99|
|Amazon US||4 days ago||29.03||$24.42||You save $4.61|
|Book Depository US||today||24.49||$24.42||You save $0.07|
Lindsay David is a co-founder of clean technology company GreenRigCo and a former strategy & business development consultant. Lindsay holds an MBA from IMD Business School.