* The Last Dance (1993)
* The Face of Betrayal (1995)
* The Killing Room (1997)
* The Malefactor's Apprentice (1999)
* The Cabal (2001)
* The Judas Strain (2004)
* Resurrection Day (2006)
* Redeemer (2008)
* The Seventh Power (2011)
* The Eighth Guardian (2013)
* The Ninth Revelation (2016)
* The Tenth Plague (2018)
* The Eleventh Hour (2021)
Novellas:
* The Mask (1996)
* The Key (2002)
* The Gift (2005)
* The Prophecy (2007)
* The Amulet (2009)
* The Relic (2010)
* The Scroll (2012)
* The Coin (2014)
* The Cup (2015)
* The Sword (2017)
* The Staff (2019)
* The Stone (2020)
Short Stories:
* "The Man Who Knew Too Much" (1994)
* "The Last Laugh" (1995)
* "The Dead Don't Die" (1997)
* "The Devil's Due" (1999)
* "The Black Angel" (2001)
* "The Serpent's Bite" (2003)
* "The Witching Hour" (2005)
* "The Day of Wrath" (2007)
* "The Apocalypse Revealed" (2009)
* "The Final Judgment" (2011)
* "The Beginning of the End" (2013)
* "The End of Days" (2015)
* "The Second Coming" (2017)
* "The Resurrection" (2019)
* "The Last Judgment" (2021)
Non-Fiction Books:
* Writing the Thriller: A Step-By-Step Guide (2012)
* The Art of the Thriller: Crafting Suspenseful Stories (2014)
* The Business of Writing: How to Make a Living as a Writer (2016)
* The Craft of Writing: A Guide to Effective Writing (2018)