diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/40.electromagnetism/05.first-steps/textbook.en.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/40.electromagnetism/05.first-steps/textbook.en.md
new file mode 100644
index 000000000..95966dc97
--- /dev/null
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/40.electromagnetism/05.first-steps/textbook.en.md
@@ -0,0 +1,74 @@
+---
+title: Brainstorming to structure a theme "Electromagnetism"
+published: true
+routable: true
+visible: false
+lessons:
+lessons:
+    - slug: brainstorming-g12-classical-mechanics
+      order: 1
+---
+
+#### Overall brainstorming to structure a theme "electromagnetism", 
+for all levels.
+
+--------------------
+
+### Foreword
+
+
+This is an *important stage*, because it will be
+the first **tree structure of filesystems** in which contributors will work.
+
+This tree structure *will be able to evolve*, but it is less agile than the pedagogocal contents
+themselves. In themselves, the titles of the chapters and sub-chapters are less important.
+They can be changed easily, they are not the main structure. 
+
+
+#### Advice on how to structure this level 1 
+
+At this first level, think: <br>
+ * What knowledge on this topic is useful in everyday life.
+ * Start from the actions and perceptions of the daily life, using the right vocabulary (example: the arm lever, the couple to remove a bolt with a jack, the figure skater, ...).
+ * What amazes us? (example, gyroscope, spinning top). 
+
+At this first level, chapter titles should be everyday words.
+
+
+#### To participate
+
+The different proposals are numbered: they start with : 
+[BRST-ELECMAG+level-numéro] : Titre<br>
+_(BRST-ELECMAG1 pour Brainstorming STructureELECtroMAGnetism level 1)_
+
+To **add an item, create it** in or after existing items (following the logical order).
+To do this, start your proposition with a new : <br>
+* *[BRST-ELECMAG+level-numéro] + (three initials in brackets representing you) + Title*
+
+To **react to an existing item*, add your comment after the others
+starting with three initials in brackets that represent you :
+(CLM): previous comment.<br>
+*(my initials): my comment* 
+
+To **communicate my proposals**, either:<br>
+* Directly on the *GitLab M3P2*:<br>
+<details>
+<summary> More information </summary>
+Only for those who have an M3P2 account and have received the little introduction to Git:<br>
+   - Click "Améliorer ce cours" at the bottom of the page.<br>
+   - Login with your username / password
+</details>
+
+* On the *Google Docs M3P2*: to be specified.
+
+The Gitlab will be kept up to date with your proposals, also translated into English and Spanish.<br>
+_(This is not required, but if you can also make your contribution in French, more in_
+_English or Spanish, this will ease the translation work)._
+
+This page at this level can be viewed in a multilingual version at:
+
+https://m3p2.com/polyglot/brainstorming-pedagogical-teams/synthesis-structuring/electromagnetism/first-steps
+
+----------------------------------------
+
+### Brainstorming