Main part of the book is Windows 7, Visual Studio 2012 (new), Visual Basic 2012 (new). A new high-end chapter on "Introduction to Windows 8 and the new Windows 8 User Interface" (formerly called "Metro," now called "Windows 8 UI") for desktop and tablet apps. A new high-end chapter on "Windows 8 Graphics and Multimedia." A new high-end chapter on "Case Study: Developing a Windows Phone 8 App" (authors uniquely qualified for this with books on Android and iOS app development and a Windows Phone 8 book coming). A new high-end chapter on "Case Study: Developing a Cloud-Based App with Windows Azure." Lots of new exercises. Many other improvements.