- 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