_Cocoa Programming for Mac OS X_[1] by Aaron Hillegass is really great. It's not an iPhone book, but there's enough similarity that it'd still be a really valua

_Cocoa Programming for Mac OS X_[1] by Aaron Hillegass is really great. It's not an iPhone book, but there's enough similarity that it'd still be a really valuable read. [1] http://www.amazon.com/Cocoa-Programming-Mac-COCOA-PROGRAMMING/dp/0321503619 http://www.amazon.com/Cocoa-Programming-Mac-COCOA-PROGRAMMIN...