While responding to a devastating earthquake in South America, Doc Savage and company discover that not only was the disaster far from natural, but that it seems to be linked to a menace that Doc faced many years before. As he begins to investigate, Doc discovers that a number of closed cases that he had considered to be isolated threats were in

While responding to a devastating earthquake in South America, Doc Savage and company discover that not only was the disaster far from natural, but that it seems to be linked to a menace that Doc faced many years before. As he begins to investigate, Doc discovers that a number of closed cases that he had considered to be isolated threats were in