A Matt Helm Novel: The Intimidators - Titan Novel Softback #MV
A Matt Helm Novel: The Shadowers - Titan Novel Softback #MY
A Matt Helm Novel: The Intriguers - Titan Novel Softback #MM
A Matt Helm Novel: The Menacers - Titan Novel Softback #MW
A Matt Helm Novel: The Infiltrators - Titan Novel Softback #MP
A Matt Helm Novel: The Retaliators - Titan Novel Softback #MO
