- Author: Williams John
- Language: English
- Year: 2010
- Author: Andrew Leigh
- Language: English
- Year: 2008
- Author: Robert Ashton
- Language: English
- Year: 2009
- Author: Angela Fagan
- Language: English
- Year: 2008
- Author: Richard Hall
- Language: English
- Year: 2008
- Author: Richard Newton
- Language: English
- Year: 2006
- Author: Jurgen M Wolff
- Language: English
- Year: 2010
- Author: Robert Ashton
- Language: English
- Year: 2007
- Author: Stephen Barker, Rob Cole
- Language: English
- Year: 2009