- Author: Catherine Nixey
- Language: Romanian
- Author: Catherine Nixey, Cornelius Hartz
- Language: German
- Year: 2019
- Author: Catherine Nixey
- Language: Italian
- Year: 2018
- Author: Catherine Nixey
- Language: Italian
- Year: 2018
- Author: Catherine Nixey
- Language: Spanish
- Year: 2018
- Author: Catherine Nixey
- Language: English
- Author: Catherine Nixey
- Language: Spanish
- Year: 2018
- Author: Catherine Nixey
- Language: Spanish
- Year: 2017
- Author: Catherine Nixey
- Language: English
- Year: 2017