Doc Savage Double Novel #25

"(W) Lester Dent The greatest superhero of the pulp era returns in two power-packed novels by Lester Dent writing as Kenneth Robeson. In 'The Red Skull,' Doc Savage follows a murderous gangster to Arizona where a subterranean secret that could transform the world lies in wait. Then, the Man of Bronze and his Iron Men journey to the South Dakota Badlands in search of a fugitive murderer, where they discover the prehistoric terror of 'The Awful Egg.' This deluxe pulp reprint features the original color covers by Walter Baumhofer and Emery Clarke and all the classic interior illustrations by Paul Orban."