iphone开发的一系列相关联的知识点，一篇是一个章节知识点，带有一些事例，串的很详细生动，易学，是初学者一个很好的选择。-iphone development associated with a series of knowledge points, a point is a chapter of knowledge, with some examples, a lively series of very detailed, easy to learn, is a good choice fo