- Author: Parker Danny S., Peiper Joachim
- Language: English
- Year: 2014
- Author: Parker Danny S
- Language: English
- Year: 2016
- Author: Parker Danny S
- Language: English
- Year: 2012
- Author: Parker Danny S
- Language: English
- Year: 2012
- Author: Peiper Jochen, Parker Danny S., Peiper Joachim
- Language: English
- Year: 2014