- Author: Hanno Sauer
- Language: Italian
- Year: 2023
- Author: Hanno Sauer
- Language: English
- Year: 2023
- Author: Hanno Sauer
- Language: Spanish, Castilian
- Year: 2023
- Author: Hanno Sauer
- Language: English
- Year: 2018
- Author: Hanno Sauer
- Language: English
- Year: 2018