Philip Chu 
Learn Unity 4 for iOS Game Development [PDF ebook] 

Unity is an incredibly powerful and popular game creation tool, and Unity 4 brings even more great features, including Mechanim animation.
Learn Unity 4 for i OS Game Development will show you how to use Unity with Xcode to create fun, imaginative 3D games for i Phone, i Pad, and i Pod touch. You’ll learn how to optimize your game for both speed and quality, how to test and profile your game, and how to get the most out of your i OS device features, including the gyroscope and accelerometer.

You’ll also learn how to incorporate the latest Game Center improvements in i OS 6 into your game, how to make sure your game gets into the App Store, and even how to promote your app and track revenue.

If you have a great 3D game idea, and you want to make it a reality in the App Store, then Learn Unity 4 for i OS Game Development has exactly what you need.