Fortress of Solitude

The deep mysteries of Doc Savage are finally revealed! John Sunlight, poetic genius of evil, gruesome master of a thousand elements of screaming terror, discovers the innermost secrets of The Man of Bronze. Doc Savage finds himself enmeshed in a diabolical web of dark horror as he valiantly battles the appalling machines of destruction he himself has invented!

The Devil Genghis

A fantastic horror has come out of the polar regions -- a menace so bizarre it causes men to go insane! The Man of Bronze and his courageous crew penetrate the rugged Asian interior on a perilous mission: to find out the source of this mystery and smash the evil genius who controls it.