This isn’t just a book on RubyCocoa; it is probably the best book I’ve seen that explains Cocoa technology. It actually explains how some of the core technologies, especially bindings, work instead of just show- ing an example of how to use them.
Learn Cocoa on the Mac by Jack Nutting, David Mark and Jeff LaMarche The Cocoa frameworks are some of the most powerful frameworks for creating native desktop applications available on any platform today, and Apple gives them away, along with the Xc
Mac and iPhone developers are often overwhelmed by the breadth and sophistication of the Cocoa frameworks. Although Cocoa is indeed huge, once you understand the object-oriented patterns it uses, you’ll find it remarkably elegant, consistent, and si