Excavation
James Rollins
Subterranean
Deep Fathom
Amazonia
Ice Hunt
Sandstorm
SIGMA Force (1)
Map of Bones
SIGMA Force (2)
The Last Oracle
SIGMA Force (5)
The Judas Strain
SIGMA Force (4)
Altar of Eden
The Doomsday Key
SIGMA Force (6)
Black Order (Sigma Force Series)
SIGMA Force (3)
The Judas Strain (Sigma Force Series)
The Skeleton Key: A Short Story Exclusive
Tracker
Tucker Wayne (1)
The Devil Colony (Sigma Force Series)
SIGMA Force (7)
City of Screams
James Rollins & Rebecca Cantrell
The Order of the Sanguines (0.50)
The Blood Gospel
Rebecca Cantrell & James Rollins
Order of the Sanguines (1)
Bloodline
Bloodline (Sigma Force Series)
SIGMA Force (8)
The Bone Labyrinth: A Sigma Force Novel
SIGMA Force (11)
War Hawk
James Rollins & Grant Blackwood
The Seventh Plague: A Sigma Force Novel
SIGMA Force (12)