diff --git a/README.md b/README.md
index 3c9bcd9..73fb1d3 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ Feel free to go through other lectures if needed.
 
 * [scalability for dummies](http://www.lecloud.net/tagged/scalability)
 
-* [Designing data intensive appliations]() This is by far one of the best books about large-scale systems and the practical challenges encountered during building them. It's focussed more on data-oriented applications though.
+* [Designing data intensive appliations](https://github.com/NirmalSilwal/system-design-resources/blob/master/Books/Designing%20Data%20Intensive%20Applications%20-%20Martin%20Kleppmann.pdf) This is by far one of the best books about large-scale systems and the practical challenges encountered during building them. It's focussed more on data-oriented applications though.
 
 These talks should give you a starting point on how to think about such problems.