MONSTERS OF MARS by EDMOND HAMILTON
Three Martian-Duped Earth-Men Swing Open the Gates of Space That for So Long Had Barred the Greedy Hordes of the Red Planet. (A Complete Novelette.)
THE EXILE OF TIME by RAY CUMMINGS
From Somewhere Out of Time Come a Swarm of Robots Who Inflict on New York the Awful Vengeance of the Diabolical Cripple Tugh. (Beginning a Four-Part Novel.)
HELL'S DIMENSION by TOM CURRY
Professor Lambert Deliberately Ventures into a Vibrational Dimension to Join His Fiancée in Its Magnetic Torture-Fields.
THE WORLD BEHIND THE MOON by PAUL ERNST
Two Intrepid Earth-Men Fight It Out with the Horrific Monsters of Zeud's Frightful Jungles.
FOUR MILES WITHIN by ANTHONY GILMORE
Far Down into the Earth Goes a Gleaming Metal Sphere Whose Passengers Are Deadly Enemies. (A Complete Novelette.)
THE LAKE OF LIGHT by JACK WILLIAMSON
In the Frozen Wastes at the Bottom of the World Two Explorers Find a Strange Pool of White Fire—and Have a Strange Adventure.
THE GHOST WORLD by SEWELL PEASLEE WRIGHT
Commander John Hanson Records Another of His Thrilling Interplanetary Adventures with the Special Patrol Service.
r's body as he stepped into the mechanism that in moments would send him flashing out through the great void as impalpable ether-vibrations. Milton and Lanier were standing silent beside him, their eyes on Nelson, who stood watchfully now at the big switchboard beside the chambers, his own gaze on the clock. They saw him touch a stud, and another, and the hum of the great dynamos at the room's end grew loud as the swarming of angry bees.
The clock's longer hand was crawling over the last space to cover the smaller hand. Nelson turned a knob and the battery of great glass tubes broke into brilliant white light, a crackling coming from them. Randall saw the clock's pointer clicking over the last divisions, and as he saw Nelson grip a great switch there came over him a wild impulse to bolt from the transmitting chamber. But then as his thoughts whirled maelstromlike there came a clang from the clock and Nelson flung down the switch in his grasp. Blinding light seemed to break from all the chamber onto the