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
Omnibus of Science Fiction Omnibus of Science Fiction Omnibus of Science Fiction is an anthology of science fiction short stories edited by Groff Conklin. It was first published in hardcover by Crown Publishers in 1952, and reprinted in 1953; a book club edition was issued by the same publisher with the Science Fiction Book Club in the same year. Later editions were issued by Bonanza Books/Crown Publishers in 1984 and Chatham River Press in 1984. An abridged paperback version including eleven of its forty-three stories was published by Berkley Books in August 1956 under the variant title Science Fiction Omnibus and reprinted in November