Operator #5, a secret service ace, appeared in more than 48 novels in a classic pulp magazine bea...
Operator #5, America's Secret Service Ace, appeared in 48 novels in the classic pulp magazine bea...
ZOMBIES MARCHED . . . soulless storm troops of a sinister madman's plot. Freedom was in mortal pe...
AN EPIDEMIC OF CRIME GNAWED AWAY AT THE NATION'S LIFEBLOOD!A gold-masked avenger, linked with m...
Operator #5, America's Secret Service Ace, appeared in 48 novels in the classic pulp magazine bea...
Ripped from the pages of the October, 1934 issue of 'Operator #5' magazine, here is the lead nove...
'Operator #5, America's Secret Service Ace, appeared in 48 novels in the classic pulp magazine be...
Over the western part of the United States fell the dark, terrible cloud of the most incredible i...
Across ravaged America, exhausted from the long Purple Wars, Operator 5 and his gallant caravan t...
Operator #5, America's Secret Service Ace, appeared in 48 novels in the classic pulp magazine bea...
Operator #5, America's Secret Service Ace, appeared in 48 novels in the classic pulp magazine bea...
Ripped from the pages of the February, 1937 issue of 'Operator #5' magazine, here is the lead nov...