Crucible: A Thriller

The Bone Labyrinth: A Sigma Force Novel

The Eye of God: A Sigma Force Novel

Kingdom of Bones: A Thriller

The Doomsday Key: A Sigma Force Novel

Bloodline: A Sigma Force Novel

The 6th Extinction: A Sigma Force Novel

The Demon Crown: A Sigma Force Novel

Typhoon Fury

The Cult of Osiris (Wilde/Chase 5)

Fast and Loose

Sandstorm

The Sacred Vault (Wilde/Chase 6)

Blue Gold: A Novel from the NUMA Files

The Devil Colony: A Sigma Force Novel