* _Death Wish_ (1972)
* _The Kill Artist_ (1974)
* _Cat's Paw_ (1975)
* _Dommedagsekspressen_ (1977)
* _The Hellers_ (1978)
* _The Final Cut_ (1979)
* _The Panic Broadcast_ (1980)
* _Jigsaw Man_ (1981)
* _Den lange sikringen_ (1982)
* _Scorpio Ritual_ (1983)
* _Satanisten_ (1984)
* _Eksorcistens datter_ (1985)
* _Djevelens elskerinne_ (1986)
* _The Necromancer_ (1987)
* _Vampyren_ (1988)
* _Varulven_ (1989)
* _Mumien_ (1990)
* _Den usynlige mannen_ (1991)
* _The Phantom of the Opera_ (1992)
* _The Hunchback of Notre Dame_ (1993)
* _Bildet av Dorian Gray_ (1994)
* _Dr. Jekyll og Mr. Hyde_ (1995)
* _Tidsmaskinen_ (1996)
* _The War of the Worlds_ (1997)
* _The Island of Dr. Moreau_ (1998)
* _Den usynlige mannen vender tilbake_ (1999)
* _The Shadowy Third_ (2000)
* _The Jekyll Legacy_ (2001)
* _Frankenstein-syndromet_ (2002)
* _The Dracula Tapes_ (2003)
* _Varulvens forbannelse_ (2004)
* _Mumiens forbannelse_ (2005)
* _Den usynlige mannens hevn_ (2006)
* _Fantomets maske_ (2007)
* _Pukkelryggens hemmelighet_ (2008)
* _Bildet av Dorian Gray vender tilbake_ (2009)
* _Dr. Jekyll og Mr. Hyde Revisited_ (2010)
* _The Time Machine Paradox_ (2011)
* _The War of the Worlds Invasion_ (2012)
* _The Island of Dr. Moreau Revisited_ (2013)
* _The Invisible Man's Legacy_ (2014)
* _The Shadowy Third Returns_ (2015)
* _The Jekyll Enigma_ (2016)
* _The Frankenstein Legacy_ (2017)
* _Drakulapakten_ (2018)
* _Varulvens hevn_ (2019)
* _Mumiens grav_ (2020)
* _Den usynlige mannens hevn_ (2021)
* _Fantomets forbannelse_ (2022)
* _The Hunchback's Revenge_ (2023)
Faglitteratur
* _The History of Horror Fiction_ (1982)
* _The Encyclopedia of Horror Fiction_ (1985)
* _The Penguin Book of Horror Stories_ (1987)
* _The Book of Vampire Stories_ (1988)
* _The Book of Werewolf Stories_ (1989)
* _The Book of Mummy Stories_ (1990)
* _The Book of Frankenstein Stories_ (1991