Kotlin in Action. Dmitry Jemerov and Svetlana Isakova
Hands-On Design Patterns with Kotlin. Soshin Alexey
Kotlin for Android Developers. A. Leiva (2017)
Kotlin. Программирование для профессионалов. Дж. Скин, Д. Гринхол
Functional Kotlin. Mario Arias, Rivu Chakraborty
Kotlin Programming By Example. Iyanu Adelekan