Undetectable
M. C. Soutter
Very Hard Choices
Spider Robinson
Smelly (2)
None but Man
Gordon R. Dickson
Harbinger (A Book of the Order)
Philippa Ballantine
The Order (4)
Starstrike: Operation Orion
Kevin Dockery & Douglas Niles
Starstrike (2)
Starstrike: Task Force Mars
Starstrike (1)