|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||16 days ago||47.52||$30.43||You save $17.09|
Preston Gralla is the author of more than 40 books, including Windows 8 Hacks and Missing Manuals on Droid X2, Galaxy Tab, and Galaxy S II. He's a contributing editor to Computerworld, and a regular contributor to PC World. As an award-winning author and technology expert, Preston has written articles for major national newspapers and magazines and has also appeared on several TV and radio programs.