diff --git a/README.md b/README.md
index 836e595..702319c 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,7 @@ Functional Programming | [JavaScript Allongé, the "Six" Edition](https://leanpu
 Object-Oriented Programming | [JavaScript Spessore](https://leanpub.com/javascript-spessore/read) | `free`
 Async Programming | [Async JavaScript](https://pragprog.com/book/tbajs/async-javascript) | `paid`
 Design Patterns & Architectures | [Learning JavaScript Design Patterns](http://www.addyosmani.com/resources/essentialjsdesignpatterns/book/) | `free`
+Advanced Javascript | [You Don't Know JS](https://github.com/getify/You-Dont-Know-JS/blob/master/README.md#you-dont-know-js-book-series) | `free`
 Single Page Application |[Single page apps in depth](http://singlepageappbook.com/) | `free`
 Practical Project | [Building A JavaScript Framework](https://s3.amazonaws.com/dailyjs/files/build-a-javascript-framework.pdf) | `free`
 Practical Project | [Building Front-End Web Apps with Plain JavaScript](https://oxygen.informatik.tu-cottbus.de/webeng/JsFrontendApp/book/) | `free`