diff --git a/README.md b/README.md
index 9e769c4..d24f37b 100644
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@@ -271,6 +271,11 @@ A collection of awesome penetration testing resources
 * [The Mobile Application Hackers Handbook by Dominic Chell et al., 2015](http://www.wiley.com/WileyCDA/WileyTitle/productCd-1118958500.html)
 * [Car Hacker's Handbook by Craig Smith, 2016](https://www.nostarch.com/carhacking)
 
+## Defensive Development
+
+* [Holistic Info-Sec for Web Developers (Fascicle 0)](https://leanpub.com/holistic-infosec-for-web-developers)
+* [Holistic Info-Sec for Web Developers (Fascicle 1)](https://leanpub.com/holistic-infosec-for-web-developers-fascicle1-vps-network-cloud-webapplications)
+
 #### Network Analysis Books
 * [Nmap Network Scanning by Gordon Fyodor Lyon, 2009](https://nmap.org/book/)
 * [Practical Packet Analysis by Chris Sanders, 2011](https://www.nostarch.com/packet2.htm)