This is an edited version of originally "sketchbook" (https://skfb.ly/6RsSN) by Kisielev Mikhail is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/).
I edited the basecolor texture by changing the drawings on the pages. It should look like a sketchbook of a sad child.
Sources of the images:
"Autistic Child Drawing Loneliness" by MissLunaRose12: https://commons.wikimedia.org/wiki/File:Autistic_Child_Drawing_Loneliness.jpg (CC BY-SA 4.0)
https://pixabay.com/fr/photos/vanguard-r%C3%A9sum%C3%A9-photo-cr%C3%A9ativit%C3%A9-2933734/ by Victoria_Borodinova (Pixabay license)