关于iOS开发辅助的四本书，经謝業蘭朋友翻译，供大家学习参考。核心动画编程指南.pdf--(Apple官方原版:CoreAnimationProgrammingGuide.pdf)多线程编程指南.pdf------(Apple官方原版:ThreadingProgrammingGuide.pdf)Instruments用户指南.pdf------(Apple官方原版:InstrumentsUserGuide.pdf)Blocks编程要点.pdf------(Apple官方原版:BlocksProgrammingTopics.pdf)