Me and Mark Publishing says the electronic version of Mark Szymczyk’s book “Xcode Tools Sensei” has been updated for Xcode 4.2. Xcode is Apple’s set of developer tools.
The new material in this update includes storyboarding for iOS applications, OpenGL ES frame capture, and automatic reference counting. More information about the book, including a sample chapter, is available at
http://www.meandmark.com/xcodebook.html . In addition to covering Xcode and Interface Builder, the book covers Instruments, OpenGL tools, and command-line tools.