* _Ravenhill's Legacy_ (2005)
* _An Unwelcome Awakening_ (2008)
* _The Ghost of Monte Carlo_ (2009)
* _Den stille byen_ (2011)
* _Jernklosteret_ (2013)
* _Midnattsrommet_ (2015)
* _Det evige timeglasset_ (2017)
* _Det siste timeglasset_ (2019)
* _Det mørkeste timeglasset_ (2021)
Faktalitteratur:
* _Den virkelige historien om Monte Carlo_ (2010)
* _The Secrets of the Ravens_ (2012)
* _The Mysteries of the Iron Monastery_ (2014)
* _The Origins of the Midnight Room_ (2016)
* _Vitenskapen om det evige timeglasset_ (2018)
* _Historien om det siste timeglasset_ (2020)