- Author: Pieter Kok
- Language: English
- Author: Robert Christopher Waddell
- Language: English
- Year: 2009
- Author: Rosalind Eleanor Wild
- Language: English
- Year: 2008
- Author: Joanne Marie Young
- Language: English
- Year: 2010
- Author: Alice Eve Wiggins
- Language: English
- Year: 2000
- Author: Keith Branigan David Miles
- Language: English
- Year: 1988