A ruthless attempt on the life of one of Doc's crew thrusts The Man Of Bronze and his incomparable companions into a chilling new adventure. From the ancient, skull-lined catacombs of Alexandria to a fantastic sea of floating primitive life where they unravel the centuries-old mystery of the Sargasso, Doc Savage and his men once more pursue the perverse agents of evil!

First published in Doc Savage Magazine # 8 October 1933 - written by Lester Dent.