- The Crypt (1989)
- The Cube (1990)
- Dødsfuglen (1991)
- The Black Monks (1992)
- Djevelens søyle (1993)
- The Pentagram (1994)
- The Blood Organ (1995)
- The Bone Cathedral (1996)
- The Dragon Throne (1997)
- The Fire Rose (1998)
- Dødens tre (1999)
- The Bloodstone (2000)
- The Deadly Curse (2001)
- The Devil's Mask (2002)
- The Witch's Hammer (2003)
- The Black Madonna (2004)
- The Skull (2005)
- The Haunted House (2006)
- The Vampire (2007)
- Varulven (2008)
- Mumien (2009)
- The Frankenstein (2010)
- The Dracula (2011)
- The Jekyll and Hyde (2012)
- The Dorian Gray (2013)
- Sherlock Holmes (2014)
- The Arsene Lupin (2015)
- Hercule Poirot (2016)
- The Miss Marple (2017)
- The Perry Mason (2018)
- Ellery Queen (2019)
Faktalitteratur:
- The History of Horror (1997)
- The Story of the Thriller (1999)
- The Story of the Crime Fiction (2001)
- The History of Science Fiction (2003)
- The Story of Fantasy (2005)
- Litteraturhistorien (2007)
- Filosofiens historie (2009)
- The History of Religion (2011)
- Kunsthistorien (2013)
– Musikkens historie (2015)
- Historien om filmen (2017)
– Teaterhistorien (2019)