- Krypten (1989)
- The Cube (1990)
- Dødens fugl (1991)
- De sorte munke (1992)
- Djævelens søjle (1993)
- Pentagrammet (1994)
- The Blood Organ (1995)
- The Bone Cathedral (1996)
- The Dragon Throne (1997)
- Ildrosen (1998)
- Dødens træ (1999)
- The Bloodstone (2000)
- Den dødelige forbandelse (2001)
- The Devil's Mask (2002)
- Heksens hammer (2003)
- Den sorte madonna (2004)
- Kraniet (2005)
- The Haunted House (2006)
- The Vampire (2007)
- Varulven (2008)
- The Mummy (2009)
- The Frankenstein (2010)
- Draculaen (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)
Faglitteratur:
- Horrorens historie (1997)
- Thrillerens historie (1999)
- The Story of the Crime Fiction (2001)
- The History of Science Fiction (2003)
- The Story of Fantasy (2005)
- Litteraturhistorien (2007)
- Filosofiens historie (2009)
- Religionshistorien (2011)
- Kunsthistorien (2013)
- Musikkens historie (2015)
- Filmens historie (2017)
- Teatrets historie (2019)