The Other World
When a man dressed in buckskins sells fine furs never before seen, Doc and his ...
The Angry Ghost
The Army is helpless as an invisible force crumbles fort walls, gun emplacements, tanks, and ...
The Spotted Men
The disappearance of a millionaire steel magnate and troubles at his mill bring Doc and ...
The Evil Gnome
A wizened little man in Missouri who appears to possess supernatural powers is the mastermind ...
The Boss of Terror
Shady millionaires, all named Smith, are being struck down by lightning—out a clear blue ...
The Awful Egg
In the Dakota Badlands, Johnny investigates a prehistoric egg that may have hatched a dinosaur—...
The Flying Goblin
Doc's crime-curing "College" in upstate New York is partially destroyed by a manmade meteor, freeing ...
Tunnel Terror
A weird mist envelops men working on the Yellow Dam construction site, turning them into ...
The Purple Dragon
A dragon breathing smoke and flame drives criminals to confess ancient crimes. Doc and his ...
Devils of the Deep
A tentacled monster drags down ships, a rogue submarine pirates others, and rioters kill G-Men ...
The Awful Dynasty
A priceless Egyptian scroll may be the guide to the fabulous treasure in the tomb ...
The Men Vanished
One by one, members of the Explorers Club have disappeared in the Amazon. Doc and ...