Update README.md

Author: ujjwalkarn

README.md

@@ -16,6 +16,7 @@ This repo contains several Python tutorials for data analysis tasks.
 
 ##Data Science with Python
 - [awesome-python](https://github.com/vinta/awesome-python)
+- [**python-machine-learning-book**](https://github.com/rasbt/python-machine-learning-book)
 - [Pycon India 2015 Notes](http://www.analyticsvidhya.com/blog/2015/10/notes-impressions-experience-excitement-pycon-india-2015/)
 - [Data Exploration with Numpy cheat sheet](http://www.analyticsvidhya.com/blog/2015/07/11-steps-perform-data-analysis-pandas-python)
 - [NLP](http://www.datasciencecentral.com/profiles/blogs/python-nlp-tools)