Christian Keur是Big Nerd Ranch的高級講師和軟件工程師，負責編寫Big Nerd Ranch的“iOS新手培訓課程”教材。該教材廣受好評，是本書的原型。Christian畢業於美國佐治亞理工學院計算機科學係，目前居住在亞特蘭大。

Aaron Hillegass是Big Nerd Ranch的創始人之一，曾就職於NeXT公司和Apple公司，他擁有近20年的Objective-C、Cocoa、iOS開發與教學經驗。Aaron與他人閤著瞭《Mac OS X編程》和《Objectibe-C編程》。

Joe Conway曾參與編寫瞭“iOS新手培訓課程”教材。他最近創辦瞭stable/kernel 公司，開發高質量的移動應用。

In this book, the world's leading Apple platform development trainers offer a complete, practical, hands-on introduction to iPhone and iPad programming. The authors walk through all the Apple tools and technologies needed to build successful iPhone/iPad/iPod touch apps, including the iOS 4.3 SDK, the Objective-C language, Xcode 4, Foundation framework, and the classes that make up the iOS UI framework. The many topics covered in this book include: * Easily setting up elegant, efficient user interfaces with UIKit * Creating effective visuals, animation, and effects with Core Graphics and Core Animation * Making the most of the iOS multi-touch event handling and accelerometer data * Building location-aware iOS applications utilizing Core Location and MapKit * Localizing applications for international use * Creating applications that capture audio and play media * Storing data in files or with Core Data New chapters added to this edition include: * iPad-friendly interfaces, including UIPopoverController and UISplitViewController * Blocks and Categories * Instruments and Xcode's static analyzer * UIWebView and connecting with web servers * Push Notifications iOS Programming also includes a handy Xcode Quick Reference Card that lists Xcode 4's most commonly used keyboard shortcuts.