Decision at Doona
Anne McCaffrey
Doona (1)
Colonization: Second Contact
Harry Turtledove
Colonization (1)
Antiphon
Ken Scholes
Palms of Issac (1)
Kaiju Rising: Age of Monsters
James Swallow & James Lovegrove & Kane Gilmour & Larry Correia & James Maxey & Natania Barron & Timothy W. Long & Edward M. Erdelac & Peter Rawlik & Mike MacLean & Bonnie Jo Stufflebeam & Tim Marquitz
The Seventh Plague: A Sigma Force Novel
James Rollins
SIGMA Force (12)
The Bone Labyrinth: A Sigma Force Novel
SIGMA Force (11)
Bloodline (Sigma Force Series)
SIGMA Force (8)
The Devil Colony (Sigma Force Series)
SIGMA Force (7)
The Doomsday Key
SIGMA Force (6)
The Last Oracle
SIGMA Force (5)
The Judas Strain (Sigma Force Series)
SIGMA Force (4)
The Judas Strain
Black Order (Sigma Force Series)
SIGMA Force (3)
Map of Bones
SIGMA Force (2)
Sandstorm
SIGMA Force (1)
The Skeleton Key: A Short Story Exclusive
Bloodline