Bloodline: A Sigma Force Novel

The Eye of God: A Sigma Force Novel

The 6th Extinction: A Sigma Force Novel

The Bone Labyrinth: A Sigma Force Novel

The Devil Colony: A Sigma Force Novel

The Seventh Plague: A Sigma Force Novel

Crucible: A Thriller

Sandstorm

The Judas Strain: A Sigma Force Novel

Target America: A Sniper Elite Novel

The Sacred Vault (Wilde/Chase 6)

The Cult of Osiris (Wilde/Chase 5)

Kingdom of Bones: A Thriller

Map of Bones: A Sigma Force Novel