For both beginning and experienced programmers! From the author of the multi-award-winning Thinking in C++ and Thinking in Java together with a member of the Kotlin language team comes a book that breaks the concepts into small, easy-to-digest atoms, along with exercises supported by hints and solutions directly inside IntelliJ IDEA! Version 1.1 (November 2021) includes updates for Kotlin 1.5 (works with 1.6) and all corrections/clarifications since the original release. No programming background necessary. Summaries for experienced programmers. Easy steps via very small chapters (atoms). Free accompanying exercises/solutions within IntelliJ Idea. Gives you a strong Kotlin foundation. Kotlin is cleaner, more consistent and far more powerful than Java. Increase programming productivity with Kotlin's clear, concise syntax. Produce safer, more reliable programs. Kotlin easily interacts with Java. Effortlessly migrate by adding pieces of Kotlin to an existing Java project. Support for Windows, Mac and Linux. Free version of Intellij IDEA includes extensive Kotlin support. Book resources, live seminars, workshops and consulting available at AtomicKotlin.com.