diff --git a/kakom-ti/index.php b/kakom-ti/index.php
index 3466888..4ea1637 100644
--- a/kakom-ti/index.php
+++ b/kakom-ti/index.php
@@ -69,11 +69,10 @@ include "../includes/courses.php";
   </header>
   <ol>
     <li>Information Security : Principles and Practice (Mark Stamp - Wiley)</li>
-    <li>Cryptography Engineering : Design Principles and Practical Applications (Niels Ferguson, Bruce Schneier, Tadayoshi Kohno - Wiley)</li>
-    <li>Security Awareness: Applying Practical Security in Your World (Mark Ciampa - Cengage)</li>
-    <li>Computer Security Handbook (Seymour Bosworth, M.E. Kabay - John Wiley &amp; Sons, Inc)</li>
-    <li>Computer and Information Security Handbook (John R. Vacca - Morgan Kaufman)</li>
+    <li>Cryptography Engineering : Design Principles and Practical Applications (Niels Ferguson, Bruce Schneier, Tadayoshi Kohno - Wiley)</li>    
     <li><a href="http://www.cacr.math.uwaterloo.ca/hac/">Handbook of Applied Cryptography</a></li>
+    <li>Cryptography: A Very Short Introduction (Fred Piper and Sean Murphy)</li>
+    <li>Cryptography: Theory and Practice (Douglas Stinson)</li>
   </ol>
 </section>
 <?php