Core Animation for Mac OS X and the iPhone: Creating Compelling Dynamic User Interfaces (Pragmatic Programmers)
Bill Dudney is a husband, father, coder, and teacher. He has been doing Objective-C since 1989 when he first encountered a NeXT cube, and has several apps on the store through his company, Gala Factory Software LLC. When he is not writing books or teaching people about iOS, he likes to ski and hike in the high country of Summit County, Colorado. You can connect with him on Twitter at @bdudney.