IPHONE游戏编程 - Objective-C,一本讲使用Objective-C进行iPhone游戏编程的书，iPhone软件工程师可以看看，中文，pdf格式。-IPHONE Game Programming- Objective-C, a talk with Objective-C for iPhone game programming book, iPhone software engineers can see, Chinese, pdf format.

Beginning+iOS+5+Development,讲iOS5开发的书籍，iOS软件工程师可以看看，全英文，pdf格式。-Beginning+iOS+5+Development, speaking iOS5 development books, iOS software engineers can see, all in English, pdf format.