Update HackTricks Friends presentation for carlospolop

Author: carlospolop

src/README.md

@@ -224,6 +224,20 @@ https://k8studio.io/
 
 ---
 
+<!-- hacktricks-friends:friend:friend-carlospolop:start -->
+### [HackTricks Books](https://book.hacktricks.wiki/)
+
+<figure class="sponsor-logo"><img src="https://friends.hacktricks.wiki/assets/17181413/5e15e93e6b8523dac2ad.png" alt="HackTricks Books logo"><figcaption></figcaption></figure>
+
+This is an text to present the cybersecurity free wiki: <b>Hacktricks Book </b>. Learn all kind of hacking tricks for free from it now!
+
+{{#ref}}
+https://book.hacktricks.wiki/
+{{#endref}}
+
+---
+<!-- hacktricks-friends:friend:friend-carlospolop:end -->
+
 ## License & Disclaimer
 
 Check them in: