It's time for Cocos2d. The cross-platform engine, many ios-games are made on it. The literature is listed in order of aging. In the selection there was a book for the android, but the cross-platform engine, so that all the same can be done for iOS.
Cocos2d-x by Example, 2nd Edition , Roger Engelbert, 2015, Packt Publishing.
Learning Cocos2d-JS Game Development , Emanuele Feronato, 2015, Packt Publishing.
Learn to create engaging and spectacular games for Android using Cocos2d-x , Raydelto Hernandez, 2015, Packt Publishing
Cocos2d-x Game Development Essentials , Frahaan Hussain, 2014, Packt Publishing.
Learn cocos2d 2 , Steffen Itterheim, Andreas Low, 2012, Apress.
Creating Games with cocos2d for iPhone 2 , Paul Nygard, 2012, Packt Publishing.
Learning cocos2d , Rod Strougo, Ray Wenderlich, 2011, Addison-Wesley.