* The Book of Skulls (2002)
* The Hallows (2003)
* Hexus (2004)
* Infernal (2005)
* The Lock (2006)
* Maleficium (2007)
* Nocturne (2008)
* Phantasm (2009)
* Requiem (2010)
* Sanctum (2011)
* Tenebrae (2012)
* Veritas (2013)
* Xibalba (2014)
* Zodiac (2015)
* Apocalypse (2016)
* Armageddon (2017)
* Dommedag (2018)
Faglitteratur
* The World of Jonathan L. Howard:Book One (2012)
* Jonathan L. Howards verden:Anden bog (2013)
* Jonathan L. Howards verden:Tredje bog (2014)
* The World of Jonathan L. Howard:Book Four (2015)
* Jonathan L. Howards verden:Femte bog (2016)
* The World of Jonathan L. Howard:Book Six (2017)
* The World of Jonathan L. Howard:Book Seven (2018)
* The World of Jonathan L. Howard:Book Eight (2019)
* The World of Jonathan L. Howard:Book Nine (2020)
* Jonathan L. Howards verden:Tiende bog (2021)