Novels[]
- 1975 – The Aardvark Affair also titled "The Big Brain"
- 1975 – The Beelzebub Business
- 1976 – Energy Zero
- 1977 – The Howling
- 1980 – Walkers
- 1981 – Hellborn
- 1982 – The Howling II
- 1982 – Cat People
- 1984 – Quintana Roo also titled "Tribe of the Dead"
- 1985 – The Howling III: Echoes
- 1985 – The Brain Eaters
- 1986 – Carrion
- 1987 – Cameron's Closet also titled "Cameron's Terror"
- 1988 – Floater
- 1989 – Doomstalker
- 1995 – The Boiling Pool
- 1999 – Mind Grabber
- 1999 – Rot
- 2012 – The Sterling Standard