- Author: David R. Koepsell Robert Arp
- Language: English
- Year: 2012
- Author: Robert Arp Kevin S. Decker(eds.)
- Language: English
- Year: 2013
- Author: George Terzis Robert Arp
- Language: English
- Year: 2011
Batman and Philosophy: The Dark Knight of the Soul (The Blackwell Philosophy and Pop Culture Series)
epub
- Author: Mark D. White Robert Arp
- Language: English
- Year: 2008
- Author: George Terzis Robert Arp (editors)
- Language: English
- Year: 2011
- Author: Robert Arp Jamie Carlin Watson
- Language: English
- Year: 2011
- Author: Francisco J. Ayala Robert Arp
- Language: English
- Year: 2009
- Author: Robert Arp
- Language: English
- Year: 2006
- Author: Robert Arp
- Language: English
- Year: 2006
