Tibet, 1927. Intrepid explorer Doctor Ardan is taken prisoner by the diabolical Natas, who has discovered the secret of making gold through nuclear fusion, and rules over a city of slaves whom he controls with an unholy brand of leprosy. Can Doc Ardan, with the aid of beautiful Louise Ducharme, thwart the Oriental Mastermind's evil schemes and escape from the City of Gold and Lepers? Scientist and world-saving explorer Doctor Ardan was created in 1928, five years before Doc Savage. This ground-breaking SF adventure that predicted the use of nuclear energy16 years before the Manhattan Project...