A Nation 20,000 Feet Underground
BLASTING OUT OF SPACE...and into ATOMIC ACTION.
$10,000 REWARD! For the capture of Will Parker, the most desperate killer that ever rode the Western plains.
CRASHING...SMASHING...DASHING DYNAMITE! 12 spine-shivering chapters of thunderbolt action and amazing adventure!
A thousand thrills...ALL NEW...with the master mystery man! (original posters)
Whip-sawing through shrieking red devils on the pony express!