diff --git a/heroscript/tech/book_collections.md b/heroscript/tech/book_collections.md
index 8fb4f94..299a238 100644
--- a/heroscript/tech/book_collections.md
+++ b/heroscript/tech/book_collections.md
@@ -1,27 +1,10 @@
 
-
 ```js
-
-!!book.generate name:'tech' title:'ThreeFold Technology'
-        url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/books/tech'
-
-
-!!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/p2p'
-
-!!doctree.add
-    url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/collections/def'
-
-!!doctree.add
-    url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/collections/partners_utilization'
-
-!!doctree.add
-    url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/collections/vindo'
-
-!!doctree.add
-    url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/collections/mkondo'
-
-```
\ No newline at end of file
+!!mdbook.export 
+    title:'Threefold Technology'
+    description:'ThreeFold Technology book' 
+    name:'tech' 
+    summary_url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/books/tech'
+    collections:'tech, p2p, def, partners_utilization, vindo, mkondo' 
+    production:0 //means we put it in summary
+```