On Target
Mark Greaney
Gray Man (2)
Dead Eye
Gray Man (4)
Back Blast
Gray Man (5)
Gunmetal Gray
Gray Man (6)
Mission Critical
Gray Man (8)
Sierra Six
Gray Man (11)
Burner
Gray Man (12)
Armored
Joshua Duffy (1)
Command Authority
Tom Clancy
Jack Ryan (9)
The Teeth of the Tiger
Jack Ryan, Jr. (1)
Locked On
Jack Ryan, Jr. (3)