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A desperate plea for help plunges Doc Savage into a maelstrom of horror aboard the Hong Kong-bound liner Mandarin, where the depraved minions of the phantom predator, Quon, hold sway. As innocent passengers succumb to the insidious Jade Fever, and ghostly talons pursue Doc’s beautiful cousin, Patricia, the mighty Man of Bronze races to solve a riddle that defies reason.

For deep in the spider-haunted ruins of faraway Cambodia broods a twisted, armless gargoyle with a cold face of jade—The Jade Ogre—whose power to project his deadly, disembodied arms to any place on earth makes him the most dangerous foe Doc Savage has ever confronted!