- Author: Gavin Powell
- Language: English
- Year: 2023
- Author: Gavin Powell (Author)
- Year: 2020
- Author: Gavin Powell
- Language: English
- Year: 2019
- Author: Gavin Powell
- Language: English
- Year: 2005
- Author: Gavin Powell
- Language: English
- Year: 2005
- Author: Gavin Powell
- Language: English
- Year: 2006
- Author: Gavin Powell (Auth.)
- Language: English
- Year: 2007
- Author: Gavin Powell (Auth.)
- Language: English
- Year: 2005
- Author: Gavin Powell
- Language: English
- Year: 2007
- Author: Gavin Powell
- Language: English
- Year: 2007