These are some of the illustrations I made for a book by one of my client.
You can buy it here on http://amazon.de/Amazon:
https://www.amazon.de/-/en/Ertu%C4%9Frul-%C3%87ak%C4%B1c%C4%B1/dp/B0B5KX3N75/ref=sr_1_2?crid=CSF8SLGR47AY&keywords=tatu+und+der+rote+ballon&qid=1657295818&sprefix=%2Caps%2C1289&sr=8-2