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