diff --git a/heroscript/tfgrid4specs/book_collections.md b/heroscript/tfgrid4specs/book_collections.md
index bb20be4..5cf6638 100644
--- a/heroscript/tfgrid4specs/book_collections.md
+++ b/heroscript/tfgrid4specs/book_collections.md
@@ -1,19 +1,11 @@
 
-
 ```js
-
-!!book.generate name:'tfgrid4specs' title:'TFGrid Specs 4.0'
-        url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/books/tfgrid4specs'
-
-
-!!doctree.add
-    url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/collections/tfgrid4specs'
-
-!!doctree.add
-    url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/collections/tech'
-
-!!doctree.add
-    url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/collections/tfgrid4'
-
+!!mdbook.export 
+    title:'TFGrid Specs 4.0' 
+    description:'TFGrid Specs 4.0 book'
+    name:'tfgrid4specs' 
+    summary_url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/books/tfgrid4specs'
+    collections:'tfgrid4specs, tech, tfgrid4' 
+    production:0 //means we put it in summary
 ```