As of 2022, he has written thirty reference books in the fields of film and television, with a particular focus on the horror and science fiction genres.
True Hollywood Story: "Curse of The Exorcist", TV Ontario's Saturday Night at the Movies,[9] and on the premiere episode of the Sci-Fi Channel series Sciography.
[citation needed] In 2007, Muir appeared as a commentator in Decade of Darkness, a special feature on the Collector's Edition DVD release of the 1985 film Return of the Living Dead.
[citation needed] Muir's first novel was published by Powys Media in 2003, an officially licensed continuation of the Space: 1999 saga, titled The Forsaken.
[17] In 2006, Muir wrote and directed an original science fiction series[18] titled The House Between,[19] to be broadcast online.
[citation needed] The House Between's second-season premiere ("Returned") was nominated for a Sy Fy Genre Award in 2008 under the category "Best Web Production."
Sy Fy Radio on August 13, 2008, announced that The House Between placed second out of five productions, behind the bigger-budgeted Star Trek: Of Gods and Men by a margin of less than 100 votes.