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A group of bitter men-a secret League of War-was ready to plunge the world into a new, earth-wide conflict. They issued orders, and bloody organized murder was loosed in the heart of Europe! And behind this carnage, a single man was scheming to make himself the Dictator of the World! Never before had a single…
The news spread like wildfire. A man had solved the problem of the ages-he was bringing the dead back to life! Operator 5, ace of the American Secret Service, recognized the grave menace. He realized the danger if the gigantic advances of modern science were employed selfishly by unscrupulous men. And that precisely was the…
Oil-black gold-the blood of Mother Earth! America had squandered its precious reserves and a syndicate of skilled saboteurs was destroying the remaining store! With all National defense rendered helpless for want of it, bitter despair gripped the hearts of the country’s millions. Pillage, slaughter, and slavery-misery and death-threatened each American! And Jimmy Christopher, Operator 5…
By plague and fire, bribery and chicanery, terrorism and extortion, the insane dictator Ursus Young has established himself as the supreme ruler of America. Who is left with sufficient strength to thwart him? Already he has scattered far and wide the organization of which Operator 5, America’s Secret Service Ace, forms so important a part….
It struck out of the night, a monster whose blood-red shadow brought death to everyone it touched. What was this weird Thing? Beneath its reign of terror, police were powerless. But grimly, out of the list of victims, rose six men-six men who vowed to track the scarlet killer down a suicide road to a…
Like the tentacles of a gigantic and loathsome octopus the ends of that infamous international espionage ring had stretched out across the United States. Lusting for power, the fiendish leader of that ring was stripping the country of its entire armaments; butchering, in the very capital of the nation, the patriots who pleaded for adequate…
Gold-the mineral which fosters war!-threatened to plunge America into a chaos of revolt, misery and death. In Washington, the fortified vaults of the nation’s Treasury lay empty-stripped of wealth. A madman, obscured in mystery, his face concealed by a mask of the precious metal, had allied himself with powerful foreign magnates to deliver the United…
Mysterious happenings-cloudbursts in the arid desert, churches and skyscrapers horribly destroyed, priests and pastors oddly maddened, Intelligence agents craftily slaughtered-all these heralded the attack on America by the Son of Kasma-spokesman for a vicious, Oriental cult. The populace flocked to the new religion in self-defense. Our country seemed helplessly doomed… And Operator 5, charged with…
As suddenly as Death, the bitter cold came, and with it, the armored tanks, sleek submarines and mailed warriors of the invading legions! An international syndicate, fearing America’s greatness and strength in war, had unleashed savage war-dogs to win the conflict before it fairly began… The greatest military genius of modern times commanded the enemy,…
No man could explain that death which struck from the stratosphere, turning men into statues, stripping the United States of defenses. Operator 5-Ace of the American Secret Service-uncovered an espionage organization which was working against our country when Washington recaptured Yorktown, in 1781!… But now, a madman with limitless ambition headed the Secret Loyalists, determined…
