- Author: P. Whitney Lackenbauer
- Language: English
- Year: 2006
- Author: Catherine Bell, Val Napoleon
- Language: English
- Year: 2008
- Author: Hamar Foster, Heather Raven, Jeremy Webber
- Language: English
- Year: 2003
- Author: Michael Lee Ross
- Language: English
- Year: 2004
- Author: Ignatieff Michael
- Language: English
- Year: 2007