diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/20.n2/10.main/textbook.fr.md b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/20.n2/10.main/textbook.fr.md
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+++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/20.n2/10.main/textbook.fr.md
@@ -0,0 +1,15 @@
+---
+title: les relativités niveau 2
+published: true
+routable: true
+visible: false
+lessons:
+    - slug: relativity-linear-2
+      order: 1
+    - slug: relativity-123-main-panorama
+      order: 2
+    - slug: relativity-234-main-panorama
+      order: 1
+---
+
+Les relativités niveau 2 : main
\ No newline at end of file