|Other Retailer||Price Checked Time||Their Price in NZD||Our Price|
|Amazon UK||5 days ago||30.49||$22.00||You save $8.49|
|Amazon US||1 days ago||22.25||$22.00||You save $0.25|
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.