Objective-C 是创建 Mac OS X 应用和 iPhone 应用的主要语言，优雅的面向对象编程环境与快速而普及的 C 语言珠联璧合，造就了它的不俗表现。翻开本书你就能感到它的魅力扑面而来。
本书全面而系统地讲述 Objective-C 语言的基础知识和面向对象编程的重要概念，结合实例介绍了 Cocoa 工具包的优秀特性和其中的框架，以及继承、复合、源文件组织、内存管理、对象初始化和类别创建等众多重要的面向对象编程技术。书中还阐述了如何利用 Cocoa 进行数据的保存、检索和操作等。
如果你的 iPhone 开发经验不足，还可结合阅读《 iPhone 开发基础教程》、《 iPhone 开发秘籍》，定能收到意想不到的学习效果。祝你在 iPhone 开发进程中所向披靡！

Get up to speed on Cocoa and Objective-C for developing Mac OS X, iPhone, iPad, and iPod touch applications. If you don't have experience developing on the Apple platform, no problem. This updated book covers everything you need to get started - from object-oriented programming to working with iCloud. In addition to learning the basics of Cocoa and Objective-C, the two foundational technologies underlying Apple's development platforms, you'll also learn how to use Apple's Xcode Integrated Development Environment (IDE). Each chapter presents a different sample program for you to build, with easy-to-follow, step-by-step instructions to teach you the fundamentals of Cocoa programming. Learn about technologies like blocks, properties and Automatic Reference Counting Discover the similarities and differences between Mac OS X and iOS Examine real-world applications of advanced Cocoa and Cocoa Touch features