Matt Helm - the Demolishers
Donald Hamilton
Matt Helm - the Retaliators
Matt Helm (1)
The Intimidators
Matt Helm (15)
Matt Helm - the Intimidators
Matt Helm - the Betrayers
Matt Helm - the Devastators
The Devastators
Matt Helm (9)
The Removers
Matt Helm (3)
The Threateners
Matt Helm (26)
The Frighteners
Matt Helm (25)
The Vanishers
Matt Helm (23)
The Detonators
Matt Helm (22)
The Infiltrators
Matt Helm (21)
The Annihilators
Matt Helm (20)
The Revengers
Matt Helm (19)
The Terrorizers
Matt Helm (18)
The Retaliators
Matt Helm (17)
The Terminators
Matt Helm (16)
The Intriguers
Matt Helm (14)
The Poisoners
Matt Helm (13)
The Interlopers
Matt Helm (12)
The Betrayers
Matt Helm (10)
The Ravagers
Matt Helm (8)
The Silencers
Matt Helm (4)
Texas Fever
Death of a Citizen
The Big Country
Assassins Have Starry Eyes
Murder Twice Told