Coloring Book, published by Persiani Editore.
Available at: https://www.amazon.com/Gatti-Matti-Coloring-Book-Italian/dp/B0C1HVPDXM
Available at: https://www.amazon.com/Gatti-Matti-Coloring-Book-Italian/dp/B0C1HVPDXM
No use is allowed without explicit permission from owner