- Author: Roger Pierangelo, George Giuliani
- Language: English
- Year: 2006
- Author: Roger Pierangelo, George A. Giuliani
- Language: English
- Year: 2007
- Author: Roger Pierangelo, George Giuliani
- Language: English
- Year: 2007
- Author: Roger Pierangelo, George Giuliani
- Language: English
- Year: 2007
- Author: Roger Pierangelo, George Giuliani
- Language: English
- Year: 2007
- Author: Roger Pierangelo, George Giuliani
- Language: English
- Year: 2008
- Author: Roger Pierangelo, George Giuliani
- Language: English
- Year: 2007
- Author: George Giuliani, Roger Pierangelo
- Language: English
- Year: 2005
- Author: Roger Pierangelo, George Giuliani
- Language: English
- Year: 2015
- Author: Roger Pierangelo, George Giuliani
- Language: English
- Year: 2012