Add book, Fighting Churn With Data
diff --git a/books.md b/books.md
index 8dd4788e..0b3a8625 100644
--- a/books.md
+++ b/books.md
@@ -45,6 +45,7 @@ The following is a list of free and/or open source books on machine learning, st
 - [Foundations of Machine Learning](https://cs.nyu.edu/~mohri/mlbook/) - Mehryar Mohri, Afshin Rostamizadeh, and Ameet Talwalkar
 - [Understanding Machine Learning](http://www.cs.huji.ac.il/~shais/UnderstandingMachineLearning/) - Shai Shalev-Shwartz and Shai Ben-David
 - [How Machine Learning Works](https://www.manning.com/books/how-machine-learning-works) - Mostafa Samir. Early access book that intorduces machine learning from both practical and theoretical aspects in a non-threating way. 
+- [Fighting Churn With Data](https://www.manning.com/books/fighting-churn-with-data)  [Free Chapter] Carl Gold - Hands on course in applied data science in Python and SQL, taught through the use case of customer churn.
 
 ## Deep Learning
 

Hi, I added my new book from Manning Publications : "Fighting Churn With Data". Currently 5 out of 10 chapters area available in an ebook. Let me know if you want a free copy to check out.  -carl24k