- Programming in Objective-C, 6th Ed. - Stephen G. Kochan - 2014 - Concise tutorial for beginners; updated for modern OS X and iOS.
- Effective Objective-C 2.0 - Matt Galloway - 2013 - 52 specific ways to improve iOS and OS X programs; memory, protocols, ARC.
- Objective-C Programming: The Big Nerd Ranch Guide - Aaron Hillegass - 2012 - Hands-on Objective-C and Cocoa from Big Nerd Ranch.