- Original title: Professor Black
- Illustrator: Marja-Liisa Plats
- Translator: Kaisu Lahikainen
- Language: Finnish
- Lector Kustannus
- 2024, 155 pp
- ISBN: 9789527500781
- fiction, storybook
- Age: 9+
Professori Mustonen. Salaseura Divarin viides tapaus
