Merged duplicate entry for Isomorphic Go (one on PacktPub the other one on Amazon, same ISBN).
diff --git a/Books.md b/Books.md
index 58dbc2d..d1e392a 100644
--- a/Books.md
+++ b/Books.md
@@ -201,7 +201,9 @@
   * Author: Kamesh Balasubramanian
   * Publication Date: December 2017
   * ISBN: 978-1788394185
-  * Reference: https://www.packtpub.com/web-development/isomorphic-go
+  * Reference: 
+    * https://www.packtpub.com/web-development/isomorphic-go
+    * https://www.amazon.com/dp/1788394186
 
 * **Security with Go**
   * Author: John Daniel Leon
@@ -239,12 +241,6 @@
     * ISBN: 9781789139433
     * Reference: https://www.amazon.com/dp/1789139430
 
-* **Isomorphic Go**
-    * Author: Kamesh Balasubramanian 
-    * Publication Date: December 2017
-    * ISBN: 9781788394185
-    * Reference: https://www.amazon.com/dp/1788394186
-
 * **Hands-On Serverless Applications with Go**
     * Author: Mohamed Labouardy
     * Publication Date: August 2018