- Author: Gerry Johnson Richard Whittington Kevan Scholes Patrick Regnér Duncan Angwin
- Language: English
- Year: 2014
- Author: Gerry Johnson, Richard Whittington, Kevan Scholes, Dawson Books
- Year: 2011
- Author: Gerry Johnson Richard Whittington Kevan Scholes
- Language: English
- Year: 2009