Subterranean
James Rollins
Deep Fathom
Amazonia
Ice Hunt
Sandstorm
Sigma Force (1)
Map of Bones
Sigma Force (2)
Black Order
Sigma Force (3)
The Judas Strain
Sigma Force (4)
The Devil Colony
Sigma Force (8)
The Last Oracle
Sigma Force (5)
The Doomsday Key
Sigma Force (6)
Altar of Eden
Excavation
The Skeleton Key: A Short Story Exclusive
Bloodline
Sigma Force (7)
City of Screams
James Rollins & Rebecca Cantrell
The Eye of God
Sigma Force (9)
The Blood Gospel
Blood Infernal
Order of the Sanguines (3)