diff --git a/free-programming-books-pl.md b/free-programming-books-pl.md
index 25b95af90..aa0ade47c 100644
--- a/free-programming-books-pl.md
+++ b/free-programming-books-pl.md
@@ -38,6 +38,7 @@
 ###JavaScript
 
 * [JavaScript Garden](http://bonsaiden.github.io/JavaScript-Garden/pl)
+* [JavaScript. I wszystko jasne](http://www.bt4.pl/kursy/javascript/wszystko-jasne/)
 
 ###LaTeX