diff --git a/Makefile b/Makefile
index dbc070c..a0b3f9d 100755
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,6 @@
 INPUTS = index.xml 
 SUBDIRS = about events docs office news
+SUBSUBDIRS = office/books docs/editing-example1 docs/editing-example2 docs/editing-example3
 
 # the following two rules are there so cow gets built first.
 cow-first: recurse-cow books.xml members.xml all