- Author: Mike McNamee, Verner Møller, Verner Ma Ller, Verner M Ller
- Language: English
- Year: 2011
- Author: Becker Christian, Krüger Michael, Nielsen Stefan
- Language: English
- Year: 2015
- Author: Becker Christian, Krüger Michael, Nielsen Stefan
- Language: English, German
- Year: 2015
- Author: Becker Christian, Krüger Michael, Nielsen Stefan
- Language: English, German
- Year: 2015