- Author: Mark Stein
- Language: English
- Author: Ulrike Lindner, Maren Möhring, Mark Stein, Silke Stroh
- Language: English
- Year: 2011
- Author: Marga Munkelt, Markus Schmitz, Mark Stein, Silke Stroh
- Language: English
- Year: 2013
- Author: Susheila Nasta Mark Stein
- Language: English
- Year: 2020
- Author: Tobias Döring and Mark Stein
- Language: English
- Year: 2012
- Author: Mark Stein
- Language: English
- Year: 2020
- Author: Mark Stein
- Language: English
- Year: 2017
- Author: Ferruccio Osimo Mark Stein
- Language: English
- Year: 2012