An Introduction to Programming in Emacs Lisp is a comprehensive guide for those interested in learning Emacs Lisp programming language. Emacs Lisp is a dialect of Lisp that is used as the scripting language for the Emacs text editor. This book is written by Robert J. Chassell, an expert in Emacs Lisp programming and a member of the Free Software Foundation.

The book starts with the basics of Emacs Lisp programming and gradually builds up to advanced topics. The first chapter of the book provides an introduction to Emacs, its modes, and its commands. It then introduces the basics of programming in Emacs Lisp, including data types, variables, and control structures.

The subsequent chapters of the book delve into more advanced topics, including functions, lists, and macros. The author provides numerous examples and exercises throughout the book to help readers gain a better understanding of the material. These examples are both simple and complex, allowing readers to gradually build up their programming skills.

One of the strengths of this book is the emphasis on the practical applications of Emacs Lisp programming. The author shows how Emacs Lisp can be used to automate tasks in Emacs, customize the editor, and even write stand-alone programs. This makes the book an excellent resource for anyone who uses Emacs as their primary text editor.

Another notable feature of An Introduction to Programming in Emacs Lisp is the author’s attention to detail. The book is well-organized, with clear explanations and helpful illustrations. The author takes the time to explain even the most basic concepts thoroughly, making the book accessible to readers with little or no programming experience.

Overall, An Introduction to Programming in Emacs Lisp is an excellent resource for anyone interested in learning Emacs Lisp programming. The book is well-written, well-organized, and provides numerous examples and exercises to help readers gain a better understanding of the material. Whether you are a beginner or an experienced programmer, this book is sure to be a valuable addition to your library.