• “Learning Cocos2D: A Hands-On Guide to Building iOS Games with Cocos2D, Box2D, and Chipmunk” by Rod Strougo & Ray Wenderlich. Amazon
• “Learn iPhone and iPad cocos2d Game Development” by Steffen Itterheim. Amazon
• “Programming in Objective-C (3rd Edition)” by Stephen G. Kochan. Amazon
• “The iPhone Developer’s Cookbook: Building Applications with the iPhone SDK” by Erica Sadun. Amazon
• “iPhone Programming: The Big Nerd Ranch Guide” by Joe Conway and Aaron Hillegass. Amazon
• “OpenGL ES Common/Common-Lite Profile Specification – Difference specification”. PDF
• “OpenGL red book (free), a bit older resource but good reference for getting a basic understanding of opengl”. html

All are available as e-books.

(requires login to the Apple Developer site)

• Start with Learning Objective-C: A Primer
• Then carry on with the The Objective-C 2.0 Programming Language
• And on to the specific iPhone stuff.
• A little more advanced, but also recommended Memory Management Programming Guide

From Rey Wenderlich:

• How To Make A Simple iPhone Game with Cocos2D Tutorial - Part 1
• How To Make A Simple iPhone Game with Cocos2D Tutorial - Part 2: Rotating Turrets
• How To Make A Simple iPhone Game with Cocos2D Tutorial - Part 3: Harder Monsters and More Levels
• Intro to Box2D with Cocos2D Tutorial: Bouncing Balls
• How To Create A Breakout Game with Box2D and Cocos2D Tutorial - Part 1
• How To Create A Breakout Game with Box2D and Cocos2D Tutorial - Part 2
• How To Make a Tile Based Game with Cocos2D Tutorial - part 1
• How To Make a Tile Based Game with Cocos2D Tutorial - part 2
• How to Create a Tile Based Game with Cocos2D Tutorial - part 3: Enemies and Combat (a continuation of Ray's 2 part tutorial written by Geek of Geek and Dad)

Other Tutorials:

• Bob Ueland's screencast tutorials. A number of great screencast tutorials for beginners. Introductions to the various parts of Cocos2d, that explain things in just enough detail to get you grounded to tackle more complicated ideas on your own.
• http://individual11.posterous.com/beyond-hello-world-with-cocos2s-building-a-to beyond hello world- touch and fading sprites
• iPhone Open Source - Vellios.com Multiple tutorials, open source examples, and games featuring Cocos2D and Box2D physics engine
• PaulsonApps Dev Blog multiple tutorial videos on a wide variety of Cocos2d & Box2d features. Following a game from start to submission to App store.[Cocos2d]
• Monacle Studios introduction to Cocos2D. Features some basic instruction on use of Scenes, layers and the Shared Director.[Cocos2d]
• Irrational Exuberance notes on Cocos2D. Features a good breakdown of basic features, and some handy boilerplate to use in your code [Cocos2d]
• Irrational Exuberance on Touch detection Features sample code to help explain how to use touch detection. [Cocos2d]
• Stanford University iPhone programming lessons. Course notes from Stanford university on iPhone programming. Goes into great detail.
• Sapus Media’s articles on cocos2d Several articles that explains how to use the new features of cocos2d.
• Cocos2d with Chipmunk example - bouncing ball.
• how to animate sprites in cocos2d from getsetgames, relies on sprites being laid out in a regular pattern.
• Animating sprites via a Zwoptex sourced plist - this tutorial shows how to use Zwoptex to build the spritesheet and a plist config file and then use that in Cocos2d to pick out the images.
• How to reference cocos2d instead of copying it into your project. Tutorial showing how one (or more) Xcode projects can simply “reference” a shared instance of the cocos2d project instead of copying the code. Keeps things modular, reusable, and easy to upgrade/downgrade to other versions of cocos2d by changing a single Xcode environment variable.
• Optimizing Objective-C code For when you want to drain the last ounce of performance from the iPhone.
• Getting started with cocos2d Covers getting Cocos2d setup, engine basics (sprites, Chipmunk, particles)
• How to Create and Optimize Sprite Sheets in Cocos2D with Texture Packer and Pixel Formats - great tutorial how to create optimized sprite sheets
• Coconut College A general introduction to the Cocos2d iPhone framework for complete beginners.
• SuperSuRaccoon's cocos2d game developing blog Know-hows, demos, tutorials, resources for cocos2d game developing (for beginner) all stuffs are written in English && Chinese && Japanese.

If you are a beginner consider watching Bob Ueland's screencast tutorials. If you are more advanced consider closely following the Ray Wenderlich tutorials, then closely examining the included examples (test directory) in the cocos2d-iphone documentation. These third party documents are not the responsibility of the cocos2d people, but are provided by the wider community to help pass the knowledge on.