- Author: Nick Graham, Stanley E. Portny
- Language: English
- Year: 2015
- Author: Nick Graham
- Language: English
- Year: 2015
- Author: Nick Graham
- Language: English
- Year: 2014
- Author: Nick Graham
- Language: English
- Year: 2013
- Author: Nick Graham
- Language: English
- Year: 2010
- Author: Nick Graham
- Language: English
- Year: 2008
- Author: Nick Graham
- Language: English
- Year: 2010