Curtis Steele

Over defenseless America swept the ruthless Asiatic invasion-its gigantic air-armada and cruel plague-germs wiping out all resistance. Operator 5 and his fighting aides were the last challenge to a Brown vandal who had reduced this country to desolation and ashes

From the clouds came the giant airships that laid waste America with an incredible new fire which nothing could extinguish In the flaming cities, now ravaged by a ruthless, invincible invader, Operator 5 and his fighting undercover aides staked the fate of Civilization on one last-minute duel with these new and horrible invaders

One by one the helpless little American towns vanished-wiped from the face of the earth by a fiendish weapon in the hands of a blood-maddened European dictator Against this attack, unparalleled in the entire annals of warfare, Operator 5 and his gallant undercover aides had to wage desperate battle in order to save civilization from defeat and disaster

It was a horrible, false New Dawn breaking over the world-heralding the most powerful and ruthless autocracy known to man. America, like England and France, was under the heel of a dictator who had set out to make himself emperor of the earth To fight this evil force, Operator 5 and his volunteer aides crossed the sea to Europe-waging a fierce, relentless undercover war

In the hot streets of Old Mexico, Operator 5 launched his great counter-espionage campaign-against a plotting Asiatic horde which threatened to loose the entire barbarous Mexican guerrilla Southwest upon America, in an attack that also combined modern Japanese mechanized warfare and dread tropical disease Then, in the final, decisive minutes, America seemed to turn back the very pages of history as she made her last stand for freedom at the Alamo

From friendly but helpless Canada had come the false feint at America's mighty, steel-armored line. Investigating that strange attack, Operator 5 learned that to save his country from the most astounding invasion in history, he and his volunteer aides must cross the sea to fight a desperate undercover battle with the three bandit nations of the Old World-and, man for man, match American agents against their foes in the grim hope that he might overwhelm a ruthless enemy

Across ravaged America, exhausted from the long Purple Wars, Operator 5 and his gallant caravan trekked on their errand of mercy, step by step rebuilding once more a mighty nation out of a hopeless ruin-battling to the death a lawless horde that had been released by a Dictator of Doom who planned to transform the prostrate country into a vassal-state that never again was to know liberty

Against the Mongol hordes on land, and the Purple Fleet, loosing its annihilating bombardment from the sea-New York had fought through the bitter, exhausting siege. Victory, at last, was within the grasp of Operator 5 and his fighting American patriots. Then, from out of the Emperor's devil cauldron, rose the scourge of the Black Plague

Through Pennsylvania's ravished countryside thundered that ruthless Mongol cavalcade, its goal the sacking of New York The severed heads of patriots dangled from their leaders' blood-stained saddles, and in their wake rumbled dread, primitive machines of death. Barring their advance was only that little band of patriots at Valley Forge. But on that sacred battleground, while Operator 5 fought to save a girl from being hurled to death by a giant catapult, and civilization was being turned back to the Dark Ages by a horde of Asiatic vandals-America struck against a Yellow Dictatorship for the freedom of the world

The goose-stepping armies of the Purple Emperor massed in the passes of the Continental Divide, ready to swoop down upon the last defenders of American soil and drive them relentlessly westward into the sea. Grimly the besieged force, without guns or supplies, waited the attack they could not hope to hold off. Then Operator 5 played his last card-a daring dash into the Occupied Territory, where his life was worth a province to the man who could deliver him into the eager hands of a torture-mad emperor

The grim banner of the Purple Empire was flaunted over America from coast to coast. Americans labored in chains for the blood-maddened Emperor Rudolph. Defiant patriots found their heads under the guillotine. All hope seemed lost. But one man-Operator 5-clung to the vision and the courage to fight for an America once more free. Facing dismaying perils, he snatched the Purple Emperor's own weapons to fire the spark of battle in a mighty nation

Can a beaten, subjugated nation fight back-and win? America was doing it Starting out with a handful of ragged, desperate men, Operator 5 went doggedly about the hopeless task of transporting his precious store of guns and ammunition-across two thousand miles of enemy territory-to our last crumbling defenses in the Far West. Read here of that amazing running battle with death. March with this swelling, triumphant legion of hungry patriots-in the greatest, most stirring epic of military history

Over the Rockies and down the Pacific slope the Purple Emperor's great war machine rolled on, to crush the last vestige of American resistance. Operator 5, seeing his cause already lost, decided upon the incredibly daring, typically American action-of a counter attack Read here of his mad, secret sortie through enemy territory-across two thousand miles of hell to the guns and ammunition which alone could stave off defeat.

In the far reaches of High Asia, the Purple Empire had set up its factories and its smelters, to forge the most powerful weapon yet devised in military history. That weapon was a fleet of super-dreadnoughts equipped with a strange secret device to render our Defense Force helpless... In this gripping novel of the historic Purple Invasion, giant guns ashore and turret magic at sea hurl death at America's crumbling bulwarks as intrigue knifes the stout defenders. And Operator 5, Secret Service ace, becomes a man without a country, with death and disgrace as his only reward.