- Author: Rüdiger Frank, Jim Hoare, Patrick Köllner, Susan Pares
- Language: English
- Year: 2009
- Author: Rüdiger Frank, Jim Hoare, Patrick Köllner, Susan Pares
- Language: English
- Year: 2011
- Author: Rüdiger Frank, Jim Hoare, Patrick Köllner, Susan Pares, Susan Pares
- Language: English
- Year: 2010
- Author: Rüdiger Frank, Jim Hoare, Patrick Köllner, Susan Pares
- Language: English
- Year: 2012