- Author: Christian von Tschilschke (editor), Jan-Henrik Witthaus (editor)
- Language: Spanish, Castilian
- Year: 2017
- Author: Jan-Henrik Witthaus (editor), Patrick Eser (editor)
- Language: German
- Year: 2015
- Author: Christian von Tschilschke, Jan-Henrik Witthaus
- Language: Spanish
- Year: 2017