"Your souls are mine-when I speak, you will obey!" From the bowels of the shaking earth itself rose the satanic ultimatum that threatened to send America's greatest city up in flames! For the hordes of Hades, ruled by a devilish dictator, had turned New York into an Underground Kingdom of Crime, and helpless thousands died, strangling, when Hell's emperor loosed his slaying devil-dust! Reeking of sulphur and brimstone, it floated over Manhattan, leaving death in its wake. Only one man-Richard Wentworth, as the Spider-could hope to battle this Mephistopheles of Murder-who had blasted a city and whose satanic laughter was the signal that loosed the kill-maddened Legions of Lucifer!