- Author: Elizabeth Foyster, Christopher Whatley
- Language: English
- Year: 2010
- Author: Jim Tomlinson, Christopher Whatley
- Language: English
- Year: 2011
- Author: Christopher Whatley, Bob Harris, Louise Miskell
- Language: English
- Year: 2011
- Author: S J Brown, Christopher Whatley
- Language: English
- Year: 2008
- Author: Christopher Whatley
- Language: English
- Year: 2014