Covert Warriors
William E. Butterworth IV & W.E.B. Griffin
The Presidential Agent (7)
The Final Deduction
Rex Stout
Nero Wolfe (35)
The Secret
Lee Child
Jack Reacher (28)
The Question of Miracles
Elana K. Arnold
The Last Heroes
W.E.B. Griffin
Men at War (1)
The Secret Warriors
Men at War (2)
The Soldier Spies
Men at War (3)
The Fighting Agents
Men at War (4)
The Saboteurs
W.E.B. Griffin & William E. Butterworth IV
Men at War (5)
The Double Agents
Men at War (6)
The Spymasters
Men at War (7)