Unity
Swift 3 Game Development. Build iOS 10 Games with Swift 3.0 - Second Edition
Stephen Haney
Swift 4 Programming Cookbook. 50 task-oriented recipes to maximise Swift 4 productivity
Keith Moon
Swift iOS Programming for Kids. Help your kids build simple and engaging applications with Swift 3.0
Steffen D. Sommer, Jim Campagno
Dr. Dominik Hauser
Unity 2017 Mobile Game Development. Build, deploy, and monetize games for Android and iOS with Unity
John P. Doran
Matt Smith, Francisco Queiroz
John P. Doran, Alan Zucconi