Add Network Security book link

drbruced12 · web-flow · commit 628ab5c949f7 · 2025-11-28T10:32:31.000+11:00
diff --git a/latest.rst b/latest.rst
@@ -13,6 +13,8 @@ the Internet today.
 `Book Series: <https://systemsapproach.org/books/>`__ Also check out
 our companion books that cover emerging topics in more depth.
 
+* `Network Security: A Systems Approach <https://systemsapproach.org/books/#securitybook>`__
+
 * `What We Talk About When We Talk About Systems: Essays on the
   Systems Approach <https://systemsapproach.org/books/#essaybook>`__
 
