Slaves of the Laughing Death — Grant Stockbridge

Out of the dim recesses of the past came Munro, Man of a Thousand Faces, to corner America's gold with a sinister agency for devouring flesh... and with a mysterious power to control mass emotions at will! Only one man was equipped to fight him-Richard Wentworth, alias The Spider. But The Spider was being stalked by three rich fearless adventurers whose one aim was to destroy him as ruthlessly as in the past they had trapped and killed beasts in the jungle!