- Author: Christopher Negus
- Language: English
- Year: 2005
- Author: Christopher Negus
- Language: English
- Year: 2009
- Author: Christopher Negus Eric Foster-Johnson
- Language: English
- Year: 2010
- Author: Christopher Negus Francois Caen
- Language: English
- Year: 2008
- Author: Christopher Negus Eric Foster-Johnson
- Language: English
- Year: 2010
- Author: Christopher Negus Eric Foster-Johnson
- Language: English
- Year: 2010
- Author: Christopher Negus
- Language: English
- Year: 2009
- Author: Christopher Negus
- Language: English
- Year: 2009
- Author: Christopher Negus
- Language: English
- Year: 2007
- Author: Christopher Negus Francois Caen
- Language: English
- Year: 2007