 The Omega Sanction
| 1999 |
 The Ruins: An Archaeological Thriller
| |
 River Of Ruin
| 2002 |
 Blackout
| 2000 |
 Exhume
| 2016 |
 The Soul's Mark: FOUND
| 2012 |
 Gods and Mortals
| 2015 |
 Fury's Kiss
| 2015 |
 Gryphon
| 1989 |
 The Empire of Ice The Empire of Ice
| 1994 |
 Sacajawea
| 1978 |
 The Watchmaker's Daughter
| 2016 |
 Contagious Contagious
| 2014 |
 The Wretched of Muirwood
| 2011 |
 Beneath Beneath
| |
 10 10:37
| 2017 |
Nodding Nodding
| 2013 |
 River God
| |
 Warlock
| 1995 |
 The Midnight Sea
| 2016 |
 Skip 1
| |
 Breakthrough
| 2013 |
Protocol One Protocol One
| 2014 |
 Harley Merlin and the Secret Coven
| 2018 |
 Honor Among Thieves
| 2018 |
 Commune: Book One
| 2017 |
 The Covenant of Genesis
| 2009 |
 White Jade
| 2011 |
 The Obesity Code
| 2016 |
Search Search: A Novel of Forbidden History
| 2010 |
 Lost on the Water
| 2018 |
 Magic Edge
| 2015 |
 The Catalyst
| 2011 |
 National security
| |
 The Sentinel
| 2011 |
 Switched
| 2010 |
 The Atlantis Gene
| 2016 |
 Loki's Wolves
| 2013 |
 A Class Apart A Class Apart
| 2011 |
 Own the Wind
| 2018 |
 Season Of The Harvest Season Of The Harvest
| 2011 |
 The Dig
| 2010 |
 Encrypted
| 2012 |
 Secret of the Sands
| 2007 |
 Pentecost
| 2011 |
 Ash
| 2013 |
 The Ultimates' last stand | 2014 |
 Torment
| 2010 |
 The Protocol
| 2010 |
 Flood Rising
| 2014 |
 Refuge Omnibus Edition
| 2012 |
 Resurrect
| 2011 |
 The Loch Ness Legacy
| 2013 |
 Dead Ice
| 2014 |
 Plague of Coins
| 2011 |
 The Raven
| 2013 |
Hell Ship Hell Ship
| 2014 |
Into the Black Into the Black
| 2010 |
 Freedom
| 2013 |
 Splashdown
| 2014 |
Dark Trinity Dark Trinity: Ascendant
| 2011 |
Silver Silver
| 2010 |
Icefall- A Dane Maddock Novella Icefall- A Dane Maddock Novella
| 2011 |
 Atlantis
| 2013 |
 My Blood Approves
| 2010 |
 Prince of Wolves
| 2011 |
 Imhotep
| 2010 |
 Sworn to Raise
| 2013 |
 Thor's Serpents
| 2015 |
 Odin's Ravens
| 2014 |
 Devil's Sea
| 2001 |
 Tomb of Zeus
| 2014 |
 Tomb of Atlantis
| 2014 |
 The List
| 2009 |
 The Shadow Prince
| 2014 |
 The Belial Stone
| 2013 |
 Boil
| 2014 |
 Blood Alley
| 2013 |
 The Egyptian
| |
 The Amun Chamber The Amun Chamber
| 2010 |
 The Samson Effect: A Novel
| 2007 |
 The Summoner
| 2010 |
 Scarab
| 2011 |
 Arthur
| 2011 |
 Samantha Moon: Books 1-4 in the Vampire for Hire Series
| 2011 |
 The Seventh Stone
| 2011 |
 Vector Borne
| 2011 |
 Emerald
| 2011 |
 Burial Ground
| 2011 |
 Zero Point
| 2011 |
 Fast
| 2012 |
 Savage Bay
| |
Anonymous Realm Anonymous Realm
| 2011 |
 Five
| 2011 |
The Dead Sea Deception The Dead Sea Deception: A truly thrilling race against time to reveal a shocking secret
| 2011 |
Ice Tomb Ice Tomb
| 2004 |
 Deadly Passage: Homegrown Bioterrorism
| 2013 |
 The Belial Library
| 2013 |
 Weapon of Atlantis
| 2014 |
 Mortal Enchantment
| 2014 |