- Author: Robert Wegener, Silvano Ackermann, Jeremias Amstutz, Silvia Deplazes, Hansjörg Künzli, Annamarie Ryter
- Language: German
- Year: 2020
- Author: Robert Wegener, Silvia Deplazes, Marianne Hänseler, Hansjörg Künzli, Stefanie Neumann, Annamarie Ryter, Wolfgang Widulle
- Language: German
- Year: 2018