diff --git a/books/free-programming-books-ko.md b/books/free-programming-books-ko.md
index e4f9ed08f..7f8c4c288 100644
--- a/books/free-programming-books-ko.md
+++ b/books/free-programming-books-ko.md
@@ -86,6 +86,7 @@
 ### JavaScript
 
 * [JavaScript Garden](http://bonsaiden.github.io/JavaScript-Garden/ko)
+* [JavaScript로 만나는 세상](https://helloworldjavascript.net)
 
 
 #### Node.js