diff --git a/heroscript/legal/book_collections.md b/heroscript/legal/book_collections.md
index a68a044..7ae1843 100644
--- a/heroscript/legal/book_collections.md
+++ b/heroscript/legal/book_collections.md
@@ -1,19 +1,11 @@
 
-
 ```js
-
-!!book.generate name:'legal' title:'Legal'
-        url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/books/legal'
-
-
-!!doctree.add
-    url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/collections/legal'
-
-!!doctree.add
-    url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/collections/companies'
-
-!!doctree.add
-    url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/collections/tfgrid3'
-
+!!mdbook.export 
+    title:'Legal'
+    description:'Legal book of ThreeFold'
+    name:'legal' 
+    summary_url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/books/legal'
+    collections:'legal, companies, tfgrid3' 
+    production:0 //means we put it in summary
 ```