The Penetrator #25: Floating Death Mark Hardin in Wisconsin — To crush a sinister plot to control the world through germ warfare! via
Dragondoom And The Fiery Shadow Of Dragondoom Covered The Countryside, Leaving Devastation In Its Wake…! via
The Jungle Terrorists Apes And Lions Join Forces With Korak In Combating The Jungle Terrorists via via
Lair Of The Dragon Aiding a Peace Corps expedition, Korak discovers a civilization held in bondage by a creature from the depths! via via via
The Alien Jungle Korak Becomes “Live Bait” To Trap Alien Beings Into A Battle With Ferocious Giant Insects! via via
Deepsea Shootout Mark Hardin dives into action in a thrilling underwater search for buried treasure Mark Hardin — The Penetrator via via
The Secret Of The Death Ship He discovered the secret of the death ship — and now it was his turn to die! via via
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