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 February, 1937 issue of 'Operator #5' magazine, here is the lead nov...

ZOMBIES MARCHED . . . soulless storm troops of a sinister madman's plot. Freedom was in mortal pe...

Operator #5, a secret service ace, appeared in more than 48 novels in a classic pulp magazine bea...

Over the western part of the United States fell the dark, terrible cloud of the most incredible i...

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...

'Operator #5, America's Secret Service Ace, appeared in 48 novels in the classic pulp magazine be...

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...

Thundering across a ravished America comes a loot laden train bearing twenty million dollars in g...