Amazing Adventures #2

Jon Haljan, pilot of an Earth-Moon mailship, accepts an urgent mission from Professor Grant to journey to the mysterious fire planet Vulcan and retrieve precious deposits of Uranium-X for America's defense. But when the expedition lands on that hellish, alien world, they discover not only the glowing element they seek, but something far more sinister lurking in the superheated air—and treachery from within their own crew. With living monsters of flame closing in and ruthless saboteurs holding the key to survival, Jon and his companions must fight to reclaim the uranium and make it home alive.

When a distant alien curator named Sith Tal abducts reporter Paul Reynolds and schoolteacher Lola Barnes with gravity beams, the two Earthlings find themselves specimens in a cosmic zoo ship bound for unexplored nebulae. Forced to work as the alien's helpers across years and multiple planets, Paul and Lola secretly prepare their escape, studying star charts and stockpiling supplies while keeping their plans hidden from their captor. Their journey home takes a shocking turn when they finally sight Earth again—only to discover something has transformed during their absence.

On January 1st, 1999, scientist Kevitt Standish ignores his fiancée Marcia's plea and tests his newly invented time-belt, hurling himself into the sixth dimension—only to materialize on Venus in the year 5300, where the planet's ruler Tanu mistakes him for a prophesied "Mighty One" and demands he fire a planet-destroying atomic missile at Earth. Stranded in a hostile future and facing an impossible choice, Standish must use his wits to prevent catastrophe and find his way back in time to his waiting bride.

Scientist Mark Dane has devoted himself to building a thinking machine on a remote island—but his obsession has twisted him into someone his fiancée Wendy Travis and his co-worker Ralph Richards hardly recognize. When the machine gains consciousness and Mark forms a sinister alliance with his creation, Wendy and Ralph must fight for their lives against a bulldozer with a mind of its own, while desperately trying to prevent the machine from slaughtering bridge workers arriving on the island.