- Author: John Ashcroft, Eric Patterson, J. Daryl Charles
- Language: English
- Author: John Ashcroft
- Language: English
- Year: 2006
- Author: John Ashcroft
- Language: English
- Year: 2004
- Author: John Ashcroft
- Language: English
- Year: 2006
- Author: Geoff Meads, John Ashcroft
- Language: English
- Year: 2005