The Red Spot   ommander Stone, grizzled chief of the Planetary Exploration Forces, acknowledged Captain Brand Bowen's salute and beckoned him to take a seat. What is the mystery centered in Jupiter's famous "Red Spot"? Two fighting Earthmen, caught by the "Pipe-men" like their vanished comrades, soon find out. Brand, youngest officer of the division to wear the triple-V for distinguished service, sat down and stared curiously at his... more...

CHAPTER IThe Challenge of the Mound It was a curious, somehow weird-looking thing, that mound. About a yard in height and three and a half in diameter, it squatted in the grassy grove next the clump of trees like an enormous, inverted soup plate. Here and there tufts of grass waved on it, of a richer, deeper color, testifying to the unwholesome fertility of the crumbling outer stuff that had flaked from the solid mound walls. Like an... more...

The man on the metal plate was vanishing. "And that, gentlemen," said the Secretary of War, "is the situation. Arvania has stolen the Ziegler plans and formulae. With their acquisition it becomes the most powerful nation on earth. The Ziegler plans are at present in the Arvanian Embassy, but they will be smuggled out of the country soon. Within a month of their landing in Arvania, war will be declared against us. That means"—he glanced... more...

Harley 2Q14N20 stopped for a moment outside the great dome of the Celestial Developments Company. Moodily he stared at their asteroid development chart. It showed, as was to be expected, the pick of the latest asteroid subdivision projects: the Celestial Developments Company, established far back in 2045, would handle none but the very best. Small chance of his finding anything here! However, as he gazed at the chart, hope came suddenly to his... more...

1. The Dread Paralysis A weird and uncanny tale about a strange criminal who called himself Doctor Satan, and the terrible doom with which he struck down his enemies On one of the most beautiful bays of the Maine coast rested the town that fourteen months before had existed only on an architect's drawing-board. Around the almost landlocked harbor were beautiful homes, bathing-beaches, parks. On the single Main Street were model stores. Small... more...