Creative sketchbook exchange

I'm part of a so called "creative sketchbook exchange". We are 80 artists from around the world and everybody has a sketchbook.
The plan is to create something on the first page of your sketchbook and send it to another artist. the second one makes something on the second page inspired by the first one. Then send it to the third person and so on.

I'm so exited to get the first book!

This is my sketchbook:

And what I put on the first page: