diff --git a/README.md b/README.md
index e8a4d58..0ae9bbd 100644
--- a/README.md
+++ b/README.md
@@ -1,15 +1,13 @@
-#Kalman Filters and Random Signals in Python
-
-http://github.com/rlabbe/Kalman-Filters-and-Random-Signals-in-Python
+#[Kalman Filters and Random Signals in Python](http://github.com/rlabbe/Kalman-Filters-and-Random-Signals-in-Python)
 
 this is a book BLAH BLAH BLAH
 
 Contents
 -----
 
-**Introduction** 
+* [**Introduction**](http://nbviewer.ipython.org/urls/raw.github.com/rlabbe/Kalman-Filters-and-Random-Signals-in-Python/blob/master/Introduction.ipynb)
 
-foo
+Introduces stuff
 
 
 **Chapter 1: You've got me