- Author: Michael Heinrich
- Language: German
- Year: 2013
- Author: Michael Heinrich
- Language: English
- Year: 2008
- Author: Michael Heinrich
- Language: German
- Year: 2019
- Author: Søren Mau Michael Heinrich
- Language: English
- Year: 2023
- Author: Michael Heinrich, Alex Locascio
- Language: English
- Year: 2004
- Author: Michael Heinrich
- Language: Spanish
- Year: 2020
- Author: Michael Heinrich
- Language: Croatian
- Year: 2015