David Mark, Kim Topley, Jack Nutting, Fredrik Olsson, “Beginning iPhone Development with Swift 2: Exploring the iOS SDK”
English | ISBN: 1484217535 | 2015 | PDF | 854 pages | 20 MB
This is the definitive guide to the Swift programming language and the iOS 9 SDK, and the source code has been updated to reflect Xcode 7 and Swift 2.