If you want to take your development skills to the next level, developing for iOS simply isn't enough. The Android Development eBook Bundle will teach you everything you need to know in order to program for the world's most popular OS: Android.

The four books included in this bundle cover everything from the basics of Android development to more advanced concepts that many developers struggle to solve. You'll learn how to work through succinct steps on specifics that will help you complete your project faster, as well as how to modify your Android device and guard it against security threats.

Best of all, you'll focus on the development of UI features so you can build an interface users will really enjoy and want to use.

Start building fast and efficient Android apps that function in a multi-device world with the Android Development eBook Bundle, available at over 83% off for just $24.