Objective-C Phrasebook (Developer's Library)
David Chisnallis an active contributor to the GNUstep project, which provides an open source implementation of the Cocoa APIs, and cofounded the Étoilé project to build a desktop environment atop GNUstep. He has created a new Objective-C runtime library, worked on Objective-C support in the clang compiler, and published papers on Objective-C. He is the author ofCocoa Programming Developer’s Handbook(Addison-Wesley, 2009).