• Bloodline: A Sigma Force Novel
• The Midnight Watch: A Sigma Force Short Story
• The Devil Colony
• The Skeleton Key: A Short Story Exclusive
• City of Screams
• Blood Infernal: The Order of the Sanguines Series
• Subterranean
• Innocent Blood
• Blood Brothers: A Short Story Exclusive
• The Blood Gospel
• Tracker
• The Eye of God
• The Bone Labyrinth
• Deep Fathom
• Jake Ransom and the Skull King's Shadow
• Jake Ransom and the Howling Sphinx
• The Doomsday Key
• Black Order
• Sandstorm
• The 6th Extinction
• Amazonia
• The Last Oracle
• FaceOff
• The Judas Strain
• Altar of Eden
• Excavation
• War Hawk: A Tucker Wayne Novel
• Map of Bones