- Author: Van Niekerk Neil
- Language: English
- Year: 2013
- Author: Wacker Dave, Wacker Jean, Wacker J. D
- Language: English
- Year: 2009
- Author: Smith Jeff
- Language: English
- Year: 2008
- Author: Box Douglas Allen
- Language: English
- Year: 2009
- Author: Jacobs Lou Jr
- Language: English
- Year: 2008
- Author: Blair John G
- Language: English
- Year: 2006
- Author: Grey Christopher
- Language: English
- Year: 2013