Appendix A. Where to Go from Here
There's always more to learn when it comes to iPhone development. If you find yourself confused about one of the topics covered in this book, check out the following resources. You can turn to books, websites, and discussion forums for answers.
It's also important to remember that iPhone development is a nascent industry. New technologies and techniques are constantly being discovered. Don't be afraid to use the terminology you've picked up in this book in a Google search!
Help with Objective-C
Books
http://developer.apple.com/mac/library/documentation/Cocoa/Conceptual/ObjectiveC
Many of the books that cover Cocoa also delve into Objective-C. If you're looking for an excellent introduction and complete language reference, The Objective-C 2.0 Programming Language published by Apple can't be beat. The glossary and index are especially helpful as you encounter new terminology and concepts. The document is available in PDF format, making it easier for you to print and search.
Web
http://sealiesoftware.com/blog/
If you have any question about the internals of Objective-C, Greg Parker has already answered it. When you inevitably find yourself in the bowels of an objc_msgSend crash, you'll end up on this website with a sigh of relief.
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