Innocent Blood: The Order of the Sanguines Series

The Blood Gospel: The Order of the Sanguines Series

Full Wolf Moon: A Novel

The Sacred Vault (Wilde/Chase 6)

The Cult of Osiris (Wilde/Chase 5)

The Bone Labyrinth: A Sigma Force Novel

The 6th Extinction: A Sigma Force Novel

The Doomsday Key: A Sigma Force Novel

Bloodline: A Sigma Force Novel

The Eye of God: A Sigma Force Novel

Sandstorm

The Templar Legacy: A Novel

Map of Bones: A Sigma Force Novel

The Seventh Plague: A Sigma Force Novel