* The Shadows Behind the Stars (2001)
* The Silver Door (2004)
* The Veil of Light (2008)
* Heart of Obsidian (2018)
Short Stories:
* "Shadow of the Heart" (2010, in The Way of the Wizard, edited by Richard Morgan)
* "Fire From Below" (2011, in Swords & Dark Magic, edited by Jonathan Strahan)
* "Child of the Tides" (2012, in When It Ends, Human... edited by John Joseph Adams)
* "The Price of Magic" (2013, in Grimspace edited by John Joseph Adams and Jennifer Brozek)
* "The Queen's Curse" (2015, in The Book of Swords, edited by Gardner Dozois)
Other Works:
* The Complete Guide to Roleplaying Games (2004, co-authored with Sean Patrick Fannon)
* Writing Monsters: How to Create Fantastic Creatures that Unsettle, Frighten, and Entertain (2018)