|Other Retailer||Price Checked Time||Their Price in NZD||Our Price|
|Amazon UK||4 days ago||31.09||$23.35||You save $7.74|
|Amazon US||4 days ago||23.59||$23.35||You save $0.24|
David Gray is a Forex trader, but when trading platforms began to accept Bitcoins he decided he needed to research this virtual currency. What he found was a lot of confusion, so he decided to put together a book that would explain Bitcoin in a simplified way.