diff --git a/TTPs/SANS/GCIH/504Book1.py b/TTPs/SANS/GCIH/504Book1.py
index 0001c5e..4514e79 100644
--- a/TTPs/SANS/GCIH/504Book1.py
+++ b/TTPs/SANS/GCIH/504Book1.py
@@ -1,3 +1,8 @@
+from Modules.Imports.ttp_imports import *
+
+def GCIH_Book_1_submenu():
+    build_submenu("504 Book 1", module=globals())
+
 def picerl_overview():
     """
     Provides an overview of the PICERL incident response framework.