- head first kotlin
- Kotlin Apprentice (Second Edition): Beginning Programming with Kotlin
- Kotlin for Android Developers : learn Kotlin the easy way while developing an Android App
- Pro Android with Kotlin: Developing Modern Mobile Apps
- Kotlin in action
- Mastering Kotlin: Learn Advanced Kotlin Programming Techniques to Build Apps for Android, IOS, and the Web
fun main() {
println("Hello World")
}