The Space Between

* 2000, USA, PublishAmerica, trade paperback
OUT OF PRINT

The Fall of Never
* 2004, USA, Raw Dog Screaming Press, trade paperback
* 2005, USA, Raw Dog Screaming Press and Fictionwise, ebook/digital format
* 2006, USA, Raw Dog Screaming Press, hardcover
* 2011, Germany, Otherworld Verlag, paperback (retitled Tod in Neverland)
* 2011, Germany, Otherworld Verlag, ebook/digital format
* 2013, USA, Samhain Publishing, paperback
* 2013, USA, Samhain Publishing, ebook/digital format
* 2017, USA, JournalStone, trade paperback
* 2017, USA< JournalStone, ebook/digital format

The Nature of Monsters
* 2006, USA, 5 Story Walkup, trade paperback
OUT OF PRINT

Via Dolorosa
* 2007, USA, Raw Dog Screaming Press, hardcover
* 2012, USA, Abattoir Press, paperback
* 2012, USA, Abattoir Press, ebook/digital format
OUT OF PRINT

Passenger
* 2008, USA, Delirium Books, 150-copy limited edition hardcover
* 2008, USA, Delirium Books, trade paperback
* 2011, USA, Delirium Books, ebook/digital format
* 2013, Germany, Voodoo Press, trade paperback
* 2013, Germany, Voodoo Press, ebook/digital format
* 2014, USA, DarkFuse, ebook/digital format

Shamrock Alley
* 2009, USA, Medallion Press, hardcover
* 2009, USA, Medallion Press, ebook/digital format
* 2018, Germany, Luzifer Verlag, various editions
* Independent Publisher Book Award (IPPY) winner (silver medal)

Snow
* 2010, USA, Leisure Books, mass market paperback
* 2010, USA, Leisure Books, ebook/digital format
* 2010, USA, Audio Realms, audio book
* 2010, USA, Altar 13, 87-copy limited edition hardcover
* 2010, USA, Altar 13, 13-copy deluxe hardcover edition
* 2011, USA, Dorchester Publishing, trade paperback
* 2011, Germany, Heyne/Random House, mass market paperback (retitled Die Kalte)
* 2011, Germany, Heyne/Random House, ebook/digital format
* 2012, USA, DarkFuse Publications, trade paperback
* 2012, USA, DarkFuse Publications, ebook/digital format
* 2020, USA, Thunderstorm Books, limited edition book club paperbacks and hardcovers

The Ascent
* 2010, USA, Medallion Press, hardcover
* 2010, USA, Medallion Press, ebook/digital format
* 2011, USA, Audio Realms, audio book
* 2011, India, Grey Oak Publishing, trade paperback (retitled The Canyon of Souls)
* 2012, Croatia, Skorpion Publishing
* 2016, Germany, Luzifer Verlag, trade paperback
* 2016, Germany, Luzifer Verlag, ebook/digital format

Cradle Lake
* 2011, USA, Delirium Books, 150-copy limited edition hardcover
* 2013, USA, Medallion Press, trade paperback
* 2013, USA, Medallion Press, ebook/digital format
* 2015, Germany, Voodoo Press
* 2019, Germany, Papierverzierer, various editions (retitled See Des Grauens)
* 2014 Silver Winner, IBPA Benjamin Franklin Award for Popular Fiction

Floating Staircase
* 2011, USA, Medallion Press, trade paperback
* 2011, USA, Thunderstorm Books, 135-copy limited edition hardcover
* 2011, USA, Medallion Press, ebook/digital format
* 2012, Germany, Voodoo Press, trade paperback (retitled Die Treppe Im See)
* 2012, Germany, Voodoo Press, ebook/digital format
* 2013, USA, Audio Realms, audio book
* Bram Stoker Award nominee
* Independent Publisher Book Award (IPPY) winner (gold medal)
* Vincent Preis – German Horror Award winner (third prize)

The Narrows
* 2012, USA, DarkFuse Publications, 100-copy limited edition hardcover
* 2012, USA, Samhain Publishing, trade paperback
* 2012, USA, Samhain Publishing, ebook/digital format
* 2017, USA, JournalStone, trade paperback
* 2017, USA, JournalStone, ebook/digital format

December Park
* 2014, USA, Medallion Press, trade paperback
* 2014, USA, Medallion Press, ebook/digital
* 2015, USA, Cemetery Dance, hardcover limited edition
* 2015, USA, Cemetery Dance, hardcover/slipcased lettered edition
* 2015, Germany, Luzifer-Verlag, hardcover
* 2015, Germany, Luzifer-Verlag, ebook/digital
* Winner, 2015 Beverly Hills Book Award (Suspense Category)

Little Girls
* 2015, USA, Kensington Books, trade paperback
* 2015, USA, Kensington Books, ebook/digital
* 2015, USA, Blackstone Audio, audio book
* 2017, Pinnacle Books, mass market paperback
* 2015, Germany, Voodoo Press, paperback
* 2015, Germany, Voodoo Press, ebook/digital
* 2017, Italy, Triskell Edizion, ebook/digital format
* 2020, USA, Cemetery Dance, hardcover limited edition
* Shortlist – American Library Association’s Year’s Best in Genre Fiction

The Night Parade
* 2016, USA, Kensington Books, trade paperback
* 2016, USA, Kensington Books, ebook/digital
* 2016, USA, Blackstone Audio, audio book
* 2017, USA, Pinnacle Books, mass market paperback
* 2017, Germany, Voodoo Press, paperback (retitled Nachtparade)
* 2017, Germany, Voodoo Press, ebook/digital (retitled Nachtparade)

Bone White
* 2017, USA, Kensington books, trade paperback
* 2017, USA, Kensington Books, ebook/digital
* 2017, USA, Tantor Audio, audio book
* 2018, USA, Pinnacle Books, mass market paperback
* 2019, Portugal, Topseller, various editions (retitled Branco Osseo)
* 2019, Russia, AST, various editions
* 2020, France, Editions du Seuil, various editions (retitled Blanc D’os)