The Mystic Mullah
Soaring from New York to the fabled Asian Kingdom of Tanan, strangers seek Doc's help ...
Red Snow
"Red Snow" falls in Florida, disintegrating men, machines, and terrain, then melting away. Doc races ...
Land of Always-Night
Doc and his crew follow the hideous white-faced killer Ool to a lost civilization beneath ...
The Spook Legion
Invisible criminals rampage through Manhattan, robbing opera-goers, snatching jewels and money, spying on police, and ...
The Secret in the Sky
Balls of fire that streak across the sky, accompanied by peals of thunder, baffle Doc's ...
The Roar Devil
The Roar Devil shakes the earth, crumbles dams, stops all sound and commands a gang ...
Quest of Qui
Vikings attack a luxury yacht off New York while invisible killers commit murder with alarm ...
Spook Hole
The trail of a one-armed man of mystery leads Doc and his crew to the ...
The Majii
The immortal Majii sends his disciple, Rama Tura, a "living dead man", to work wonders ...
Dust of Death
Two South American countries are at war, goaded by the sinister Inca in Gray and ...
Murder Melody
Near Alaska, silver-skinned men float in the air and play music that brings death -- ...
The Fantastic Island
Near the Galapagos Islands, Johnny, Monk and Ham are lured to shipwreck and condemned to ...