Science fiction fandom other groups including LGBT communities, libertarians, neo-pagans, and space activist groups like the L5 Society, among many others. Some groups exist almost entirely within fandom but are distinct and cohesive subcultures in their own rights, such as filkers, costumers, and convention runners (sometimes called "SMOFs"). Fandom encompasses subsets of fans that are principally interested in a single writer or subgenre, such as Tolkien fandom, and ("Trekkies"). Even short-lived television series may have dedicated followings, such as the fans of Joss Whedon's "Firefly" television series and movie "Serenity", known as Browncoats. Participation in science fiction fandom often overlaps with other similar
New England Science Fiction Association the Other Meeting. The club also publishes a regular newsletter, "Instant Message". There are two book groups that meet on a monthly basis, as well as a monthly Game Day, and a monthly Game Night. In addition, there is a monthly Media day. This involves showings of two episodes of an anime series, two TV series episodes and a movie choice. All are science fiction/fantasy related. There is currently a NESFA Short Story Contest, accepting submissions from amateur writers seeking to improve their science fiction/fantasy writing through constructive critical analysis from expert readers, editors, and professional writers. The club runs