* The Wolf's Hour (2008)
* Shadowbahn (2011)
* Helter Skelter (2014)
* The Resurrectionist (2016)
* The Devil's Hound (2018)
* The Lost Gospel (2020)
Nonfiction
* The Mammoth Book of Dracula: New Tales of the Vampire King (2008)
* The Mammoth Book of Werewolves (2009)
* The Mammoth Book of Frankenstein: New Tales of the Monster (2011)
* Dracula Untold: The History of Dracula and Vampires (2014)
* Frankenstein Unbound: The Science and Culture of the Frankenstein Myth (2016)
* The Werewolf in Popular Culture: A History from Ancient Superstition to Modern Myth (2018)
* The Monster Book: A Celebration of Our Fascination with Frightening Creatures (2019)
* The Witch's Book: A Celebration of Our Fascination with Dark Magic (2021)