- Author: Whedon Joss, Koontz K. Dale
- Language: English
- Year: 2008
- Author: Whedon Joss, Leonard Kendra Preston
- Language: English
- Year: 2011
- Author: Mills Anthony R., Whedon Joss
- Language: English
- Year: 2013
- Author: Mills Anthony R., Whedon Joss
- Language: English
- Year: 2013
- Author: Lavery David, Whedon Joss
- Language: English
- Year: 2019
- Author: Project Muse., Kowalski Dean A., Kreider S. Evan, Whedon Joss
- Language: English
- Year: 2012
- Author: Whedon Joss.
- Language: English