Up From Earth’s Center
A shipwrecked lunatic, a mysterious cavern, and a plump little man with a fear of fire lead Doc on his strangest and most legendary adventure ever — straight to the gates of hell itself!
Category: 1949
Return from Cormoral
When an eccentric young millionaire suddenly starts predicting the future with unerring accuracy, Doc has to find out how and why fast — because the next prediction is of his own death!
The Green Master
In a secret fortress high in the Andes, Doc and his crew are enslaved by a race of extrasensory super-blondes who worship a strange green stone with a life of its own!
