
- Author: Adrian Wallwork
- Language: English
- Year: 2019

- Author: Brian Peasland
- Language: English
- Year: 2019

- Author: Heinz Meinholz Gabi Förtsch
- Language: German
- Year: 2019

- Author: Christina Möller Heike Rundnagel
- Language: German
- Year: 2019

- Author: Katharina Hellmann Jessica Kreutz Martin Schwichow Katja Zaki
- Language: German
- Year: 2019