Arabian thieves led by the diabolically clever Molallet set one fiendish trap after another for Doc Savage and his mighty five. Only “Doc,” with his superhuman mental and physical powers, could have withstood this incredible ordeal of endurance which led from the cavern of the crying rock through the pitiless desert of Rub’ Al Khali and its Phantom City to a fight to the death against the last of a savage prehistoric race of white-haired beasts.
The dread Annihilist was slaughtering the criminals of New York in wholesale lots. Hundreds of men were found mysteriously murdered, victims of the hideous pop-eyed death. The finger of suspicion pointed directly at one man, Doc Savage himself. Even as The Man of Bronze scrambled to solve the terrifying enigma, the invisible assassin began to play havoc with one of humanity’s most important secret defenses — Doc Savage’s legendary crime college.
Three times the dagger had appeared — destroyed — then disappeared! Three times the knife of KUKULKAN hung in the sky, two hundred feet tall, while death struck. The Man of Bronze stalks the dark secret of the blade — a quest that takes him deep into the jungle to the very edge of doom!
It looked just like any other deserted island. But hidden under its tropical sands was a monstrous slave empire, a vast underground network of death pits, giant carnivorous crabs and prehistoric beasts, ruled by the blood-crazed Count Ramadanoff. Blasting their way into this nightmare of horror, Doc Savage and “the fabulous five” embark on their most daring adventure.
Twenty convicts vanished without a trace from maximum security cells, and top businessmen suddenly disappeared. The tabloids trumpeted the reign of a small, deformed man — or woman — spotted at the scenes. Strangely, Doc Savage was framed for the disappearances — and then the murders … But the Horrible Hunchback hadn’t counted on the wrath of the mighty Man of Bronze!
A fantastic horror has come out of the polar regions — a menace so bizarre it causes men to go insane! The Man of Bronze and his courageous crew penetrate the rugged Asian interior on a perilous mission: to find out the source of this mystery and smash the evil genius who controls it.
A mysterious man with a face like a pre-Columbian stone image lures Doc and his crew to a madman’s secret empire deep in the Amazon jungles — where seven of the world’s foremost explorers have inexplicably vanished. Is Doc next?
250 people are abandoned in the Arctic wilderness at the mercy of a murderous madman. Only Doc Savage can prevent wholesale slaughter on ice. Following a gun- and bomb-blasting battle on the New York docks, the Man of Bronze and his crew face northward to smash a sinister plot — and to expose the cruel secret of a bloodthirsty foreign dictator!