Filth (novel) Stork Nightmares" and "Porno". Other minor characters mentioned in passing throughout "Filth" include: Simon "Sick Boy" Williamson (from "Trainspotting", "Skagboys" and "Porno"), "Juice" Terry Lawson (from "Glue" and "Porno"), Danny "Spud" Murphy (from "Trainspotting", "Skagboys" and "Porno"), and "Post" Alec Connolly, a recurring character in "Glue". A film adaptation of "Filth" was released on 27 September 2013. It is directed by Jon S. Baird, from a script he also wrote. Filth (novel) Filth is a 1998 novel by Scottish writer Irvine Welsh. A sequel, "Crime", was published in 2008. It was adapted into a 2013 film of the same name,
Prequel Anthony Boucher in "The Magazine of Fantasy & Science Fiction", used to describe James Blish's 1956 story "They Shall Have Stars," which expanded on the story introduced in his earlier 1955 work, "Earthman Come Home". The term came into general usage in the 1970s and 1980s. "" (1979) may have introduced the term "prequel" into the mainstream. The term has since been popularized by the "Star Wars" prequel trilogy (1999-2005). Rather than being a concept distinct from that of a "sequel", a "prequel" still adheres to the general principle of serialization, defined only by its internal chronology and publication order.