The Eye of God: A Sigma Force Novel

The Doomsday Key: A Sigma Force Novel

Bloodline: A Sigma Force Novel

The Bone Labyrinth: A Sigma Force Novel

The Seventh Plague: A Sigma Force Novel

Crucible: A Thriller

Kingdom of Bones: A Thriller

Sandstorm

The Devil Colony: A Sigma Force Novel

Kingdom of Darkness (Wilde/Chase 10)

The Eye of Heaven: Fargo Adventures #6

The Solomon Curse: Fargo Adventures #7

The Last Odyssey: A Thriller

Blood Infernal: The Order of the Sanguines Series