Core.Data.by.Tutorials.iOS.8.and.Swift.Edition.2014.12.pdf

iOS7byTutorialsismadeforiOS7andXcode5.瘦身版(16M)ThisbookisforintermediateoradvancediOSdevelopers,whoal

Knockout.js.2014.12.pdf

Designing.for.Performance.2014.12.pdf

Core.Java.Vol.2.Advanced.Features.8th.Edition.pdf

iOS 6 introduces an abundance of great new APIs and technologies that all iOS developers should lear

iOS11新增API和Framework介绍，Xcode9和Swift4新特性，

iOS 5 By Tutorials是一本针对中和高级iOS开发者的一本书,如果你已经掌握了iOS开发的基本支持,但是想要进一步在iOS开发上得到提高的话,这本书,你选对了。

iOS 9 introduces a whole host of new features, many of them focused on improving the user experience

iOS_9_by_Tutorials介绍iOS9的一些新技术

国外raywenderlich网站售价54美金的ios6教程，见国内还比较少地方下载，非常不错的资料，适合ios中级和高级的用户