diff --git a/books/free-programming-books-langs.md b/books/free-programming-books-langs.md
index 2c0905952..61c8bcf50 100644
--- a/books/free-programming-books-langs.md
+++ b/books/free-programming-books-langs.md
@@ -1555,6 +1555,7 @@ Books on general-purpose programming that don't focus on a specific language are
 
 * [An Introduction to Programming in Emacs Lisp](https://www.gnu.org/software/emacs/manual/eintr.html)
 * [Elisp Programming](https://caiorss.github.io/Emacs-Elisp-Programming/Elisp_Programming.html)
+* [Emacs Lisp Elements](https://protesilaos.com/emacs/emacs-lisp-elements) - Protesilaos Stavrou (HTML)
 * [GNU Emacs Lisp Reference Manual](http://www.gnu.org/software/emacs/manual/elisp.html)