Advanced iPhone Programming Books [closed]

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Are there any advanced iPhone Programming Books? I don't want an introduction 开发者_运维百科in Objective C, Cocoa Touch or UIKit, but a comprehensive collection of best practices.

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If you're willing to look beyond books, the videos for my Advanced iPhone Development course are available for free on iTunes U. I describe what I've found to work best for me when dealing with various iOS frameworks and concepts. I also list many more advanced references for each topic in my course notes for the class.

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Erica Sadun's Cookbook might be what you're looking for. But it's not too advanced, also helpful for beginners.