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THE best iPhone programming book,
This review is from: IPhone Programming: The Big Nerd Ranch Guide (Big Nerd Ranch Guides) (Paperback)
As with "Cocoa Programming for Mac OS X", the Big Nerd Ranch have managed to produce the ultimate guide for anyone wishing to start their iPhone development career. I've been a Cocoa developer on the Mac for several years, but no other book (and I tried many of them) could explain so many iPhone development concepts in such a clear, concise yet in-depth way.
The amount of topics covered is also staggering, from MapKit to Core Data, the accelerometer to integrating your app with web services. Whatever you do, read this book before you delve any deeper in iPhone development. You won't regret it.