
- Author: Carol MacGillivray Anthony Head
- Language: English
- Year: 2004

- Author: Susannah Shaw
- Language: English
- Year: 2008

- Author: Carol MacGillivray Anthony Head
- Language: German
- Year: 2004

- Author: Steve Wright
- Language: English
- Year: 2006

- Author: Steve Wright
- Language: English
- Year: 2001

- Author: Susannah Shaw
- Language: English
- Year: 2003

- Author: Steve Roberts
- Language: English
- Year: 2007

- Author: Carol MacGillivray Anthony Head
- Language: German
- Year: 2004

- Author: Carol MacGillivray Anthony Head
- Language: German
- Year: 2004

- Author: Marcia Kuperberg
- Language: English
- Year: 2002