* Slangens datter (2009)
* The House of Secrets (2010)
* Drømmenes hus (2011)
* The House of Shadows (2012)
* The House of Ravenscliff (2014)
* The House of Whispers (2016)
Noveller:
* "Den trettende historie" (2009)
* "The Haunted Room" (2010)
* "Den hemmelige have" (2011)
* "The Phantom of the Opera" (2012)
* "The Turn of the Screw" (2013)
* "The Strange Case of Dr. Jekyll and Mr. Hyde" (2014)
* "Billedet af Dorian Gray" (2015)
Faglitteratur:
* The Secret History of Ghostly Hauntings (2017)
* The Paranormal:A Guide for the Curious (2018)
* The Mysteries of the Ouija Board (2019)