- Author: Geoff Hamilton
- Language: English
- Year: 2019
- Author: Geoff Hamilton Linda Wagner-Martin
- Language: English
- Year: 2017
- Author: Geoff Hamilton Brian Jones Geoff Hamilton Brian Jones
- Language: English
- Year: 2013
- Author: Geoff Hamilton
- Language: English
- Year: 2011
- Author: Geoff Hamilton Brian Jones
- Language: English
- Year: 2010
- Author: Geoff Hamilton Brian Jones
- Language: English
- Year: 2009