Key Insights from the book: 1. **Effective Kotlin** provides a comprehensive overview of the Kotlin programming language. 2. The book is a treasure trove of best practices aimed at both novice and seasoned Kotlin developers. 3. Moskała delivers a deep dive into Kotlin's syntax, idiomatic expressions, and core libraries. 4. The author emphasizes the importance of writing legible, maintainable, and efficient code. 5. The book explores Kotlin’s interoperability with Java, discussing the seamless transition from Java to Kotlin. 6. Moskała introduces advanced topics such as coroutines, DSLs, and Kotlin/Native. 7. The book provides numerous practical examples and exercises. 8. It...