- Author: Jonathan Tummons
- Language: English
- Year: 2017
- Author: Jonathan Tummons, Sharon Powell
- Language: English
- Year: 2014
- Author: Jonathan Tummons
- Language: English
- Year: 2010
- Author: Jonathan Tummons
- Language: English
- Year: 2007
- Author: Jonathan Tummons
- Language: English
- Year: 2007