Learn Design for iOS Development is for you if you're an iOS developer and you want to design your own apps to look great and be in tune with the latest Apple guidelines. You'll learn how to design your apps to work with the exciting new iOS 7 look and feel, which your users expect within their latest apps.
Learn iOS 8 App Development is both a rapid tutorial and a useful reference. You'll quickly get up to speed with Objective-C, Cocoa Touch, and the iOS 8 SDK. It's an all-in-one getting started guide to building your first iPhone or iPad app. You'll learn best practices that ensure your code will be efficient and perform well, earning positive reviews on the iTunes App Store, and driving better search results and more revenue.
Learn to write apps for some of today's hottest technologies, including the iPhone and iPad (using iOS), as well as the Mac (using OS X). Learn Objective-C on the Mac: For OS X and iOS, Second Edition is an extensive, newly updated guide to Objective-C, the native language that is the underlying foundation for the iOS and OS X software development kits.