Shanley's best-known work is his screenplay for the movie Moonstruck. His 1994 two-person play Danny and the Deep Blue Sea (2000) has a similar romantic appeal. It is available in Thirteen by Shanley.

At the same time that Doubt was being performed on Broadway, Martin McDonagh's play The Pillowman (2004) was also running. The play is a hypnotic, Kafkaesque story of a writer who is interrogated by authorities in a fictitious authoritarian state for the similarities between incidents in his stories and a recent spree of child murders.

Cheryl L. Reed's 2004 study Unveiled: The Hidden Lives of Nuns is not, as its title might suggest, an exposé about the women who serve the Church but is instead the honest account of a wide variety of nuns from a selection of different orders throughout North America.

Christopher Durang's 1981 play Sister Mary Ignatius Explains...