Negotiators
Keith Laumer
Retief (1)
Running Blind
Lee Child
Jack Reacher (4)
With a Tangled Skein
Piers Anthony
Incarnations of Immortality (3)
Calculated in Death
J. D. Robb
In Death (36)
Heir to the Sundered Crown
Matthew Olney
The Sundered Crown Saga (1)