The free admission of the commercial 3D game development engine Unreal Engine has attracted more independent game developers, with the majority studying Unreal Engine on their own. Under such circumstance, a well-written guide book becomes very helpful or even necessary. If you are eager to use Unreal Engine to develop your own creative and attractive cross-platform games, then the Unreal Engine 4 Game Development in 24 Hours in Sams Teach Yourself series can be your first choice.

Android became the world's #1 and most popular mobile platform for smartphones, tablets, and smart TVs long ago. Whereupon, more and more people started out studying Android application development. At this point, a good book is very helpful. The Sams Teach Yourself series of books are all good, hence here AppNee recommends Sams Teach Yourself Android Application Development in 24 Hours to Android programming beginners (a bit outdated, but worth reading).