Crazy Little Thing Called Coding is an informative book written by Steve Klabnik. It introduces readers to the world of computer programming, providing a beginner-friendly guide to coding. From the basics of HTML and CSS to more advanced concepts like JavaScript and Python, this book covers a wide range of programming languages and techniques. Whether you're a complete novice or have some coding experience, this book will help you develop the skills you need to create your own websites and applications.