Cheong, Pauline Hope, Peter  Fischer-Nielsen, Stefan  Gelfgren, and Charles  Ess. 2012. Digital Religion, Social Media And Culture: Perspectives, Practices, Futures. New York: Peter Lang. http://www.paulinehopecheong.com.

Deitweiler, Craig. 2010. Halos And Avatars: Playing (Video) Games With God. Louisville: Westminster Press. http://books.google.com/books?id=GomyEvcocJsC&printsec=frontcover#v=onepage&q&f=false.