diff --git a/.travis.yml b/.travis.yml
index f3e9cb2bf..765049842 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -24,8 +24,8 @@ before_install:
 script:
 - set +e
 - export PATH=$PATH:$HOME/calibre-bin/calibre
-- gitbook build ./
-- gitbook pdf ./
+- gitbook build -d ./
+- gitbook pdf -d ./
 - cd _book/ && http-server -p 8081 -s &
 - blc http://localhost:8081/en/index.html -ro --exclude *.local* --exclude *192.168* --exclude *.127.0.0.1 --user-agent "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.86 Safari/537.36" --get | tee contributing/checked_links.txt
 - grep -e 'BROKEN' -e 'Getting links from' -e 'Error' contributing/checked_links.txt
diff --git a/book.json b/book.json
index a3e1f7143..85f0a4431 100644
--- a/book.json
+++ b/book.json
@@ -10,7 +10,6 @@
         "ga",
         "language-picker",
         "retina",
-        "numbered-headings",
         "copy-code-button",
         "todo",
         "youtube"
diff --git a/en/assembly-guides/ergo-jr/README.md b/en/assembly-guides/ergo-jr/README.md
index 9f3d78799..55b133273 100644
--- a/en/assembly-guides/ergo-jr/README.md
+++ b/en/assembly-guides/ergo-jr/README.md
@@ -28,8 +28,47 @@ At the end of the process, you should have a working Poppy Ergo Jr, ready to mov
 
 We recommend you to follow carefully the instructions. Even if the Ergo Jr can be easily disassembled, it is always disappointing to need to start from scratch again because you forget to configure the motors, a wire is missing, or a motor is reversed.
 
-<!-- BOM from poppy-ergo-jr git repo -->
-{% include "git+https://github.com/poppy-project/poppy-ergo-jr.git/doc/bom.md" %}
+<!-- Should be updated from https://github.com/poppy-project/poppy-ergo-jr/blob/master/doc/bom.md -->
+## Bill of materials
+
+Here you will find the complete list of material (BOM) needed to build a Poppy Ergo Jr.
+
+## Poppy's material
+- 1x [Pixl board](https://github.com/poppy-project/pixl) *(electronic board to control XL320 motors)*
+- 1x [disk_support.stl](https://github.com/poppy-project/poppy-ergo-jr/blob/master/hardware/STL/disk_support.stl) (using laser cutting) the 2D plan can be found [here](https://github.com/poppy-project/poppy-ergo-jr/tree/master/hardware/laser_cutting). *You can also 3D print the base but it will take a lot of time*
+- the 3D printed parts [STL here](https://github.com/poppy-project/poppy-ergo-jr/tree/master/hardware/STL)
+  - 1x [base.stl](https://github.com/poppy-project/poppy-ergo-jr/blob/master/hardware/STL/base.stl)
+  - 3x [horn2horn.stl](https://github.com/poppy-project/poppy-ergo-jr/blob/master/hardware/STL/horn2horn.stl)
+  - 3x [side2side.stl](https://github.com/poppy-project/poppy-ergo-jr/blob/master/hardware/STL/side2side.stl)
+  - 1x [long_U.stl](https://github.com/poppy-project/poppy-ergo-jr/blob/master/hardware/STL/long_U.stl)
+  - 1x [short_U.stl](https://github.com/poppy-project/poppy-ergo-jr/blob/master/hardware/STL/short_U.stl)
+  - 1x [support_camera.stl](https://github.com/poppy-project/poppy-ergo-jr/blob/master/hardware/STL/support_camera.stl)
+  - the different tools
+    - 1x [lamp.stl](https://github.com/poppy-project/poppy-ergo-jr/blob/master/hardware/STL/tools/lamp.stl)
+    - 1x [gripper-fixation.stl](https://github.com/poppy-project/poppy-ergo-jr/blob/master/hardware/STL/tools/gripper-fixation.stl)
+    - 1x [gripper-fixed_part.stl](https://github.com/poppy-project/poppy-ergo-jr/blob/master/hardware/STL/tools/gripper-fixed_part.stl)
+    - 1x [gripper-rotative_part.stl](https://github.com/poppy-project/poppy-ergo-jr/blob/master/hardware/STL/tools/gripper-rotative_part.stl)
+    - 1x [pen-holder.stl](https://github.com/poppy-project/poppy-ergo-jr/blob/master/hardware/STL/tools/pen-holder.stl)
+    - 1x [pen-screw.stl](https://github.com/poppy-project/poppy-ergo-jr/blob/master/hardware/STL/tools/pen-screw.stl)
+
+## Robotis parts
+- 6x Robotis dynamixel motors XL-320
+- 1x set of OLLO rivets (about 70 colored and 4 grey)
+- 1x OLLO TOOL
+
+## Screw
+- 4x M2.5x6mm screw (for fixing the Raspberry Pi on the base)
+- 4x M2x5mm screw (for fixing the camera)
+- 4x M2 nuts (fixing camera)
+- 1x Standoff Male/Female M2.5 10mm
+
+## Various electronics
+- 1x Raspberry Pi 2
+- 1x micro SD 8Go
+- 1x Rasperry Pi camera
+- 1x AC power 7.5V 2A with a 2.1 x 5.5 x 9.5 jack connector ([this one](http://fr.rs-online.com/web/p/alimentations-enfichables/7262814/?searchTerm=ECP-15-7.5E&relevancy-data=636F3D3226696E3D4931384E4B6E6F776E41734D504E266C753D6672266D6D3D6D61746368616C6C7061727469616C26706D3D5E5B5C707B4C7D5C707B4E647D2D2C2F255C2E5D2B2426706F3D313326736E3D592673743D4D414E5F504152545F4E554D4245522677633D424F5448267573743D4543502D31352D372E354526&sra=p) for instance).
+- Short ethernet cable
+
 
 <!--
 TODO: assembly web interface