It was an ageless thing that had existed since the beginning of time - a monstrous green face that spoke sudden death. With its legions of ghostly, nebulous soul slaves, it had begun to terrorize the world. Even Doc Savage and his fantastic five were helpless against its awesome power, until...Lester Dent was an American pulp-fiction author, best known as the creator and main author of the series of novels about the superhuman scientist and adventurer, Doc Savage. The 159 novels written over 16 years were credited to the house name Kenneth Robeson. Dent's Master Fiction Plot, often referred to as the Lester Dent Formula is a widely circulated guide to writing a saleable 6,000-word pulp story and has been recommended to aspiring authors by Michael Moorcock, among others.