diff --git a/extras/free-books.md b/extras/free-books.md
index bdcaf6e..ab172c3 100644
--- a/extras/free-books.md
+++ b/extras/free-books.md
@@ -112,6 +112,7 @@ Name | Author(s)
 Name | Author(s)
 :-- | :--:
 [Deep Learning](http://www.deeplearningbook.org/) | Ian Goodfellow, Yoshua Bengio and Aaron Courville
+[Bayesian Reasoning and Machine Learning](http://web4.cs.ucl.ac.uk/staff/D.Barber/pmwiki/pmwiki.php?n=Brml.HomePage) | David Barber
 
 ### Natural Language Processing