Mac OS X Programming

Programming in Objective-C 2.0 (Developer's Library)

By Kochan, Stephen G.

The iPhone Book: Covers iPhone 4S, iPhone 4, and iPhone 3GS

By Kelby, Scott, White, Terry

Programming in Objective-C (Developer's Library)

By Kochan, Stephen G.

Objective-C For Dummies (For Dummies (Computers))

By Goldstein, Neal

Beginning Mac OS "X" Snow Leopard Programming

By Trent, Michael, McCormack, Drew

Beginning Mac OS X Tiger Dashboard Widget Development

By Terry, Fred

Idea to iPhone: The essential guide to creating your first app for the iPhone and iPad

By White, Carla

Beginning iPhone Development: Exploring the iPhone SDK

By Dave Mark, Jeff LaMarche

Objective-C for Absolute Beginners: iPhone, iPad and Mac Programming Made Easy

By Bennett, Gary

Advanced Mac OS X Programming

By Dalrymple, Mark, Hillegass, Aaron

Building iPhone Apps with HTML, CSS, and JavaScript: Making App Store Apps without Objective-C or Cocoa

By Jonathan Stark