Child, it was, of the now ancient H-bomb. New. Untested. Would its terrible power sweep the stark Saturnian moon of Titan from space ... or miraculously create a flourishing paradise-colony? Excerpt...

All space was electrified as that harsh challenge rang out ... but John Endlich hesitated. For he saw beyond his own murder--saw the horror and destruction his death would unleash--and knew he dared not...

A scream of brakes, the splash into icy waters, a long descent into alkaline depths ... it was death. But Ned Vince lived again--a million years later! Excerpt "See you in half an hour, Betty," said...

Out There--the world's first space colony--adventures and dangers beyond human ken! Excerpt *A Million Miles Beyond the Moon...* ... Nelson and Ramos sped on toward Mars in their tiny plastic-bubble...

Excerpt "You're licked, Raff Orethon. The new Esar repulsion shield will protect me and my people, not the Titanian colony. I could kill you now, but to do so would be a waste of effort, since you are...

It's a funny thing, but most monsters seem to be of the opinion that it's men who are the monsters. You know, they have a point. Excerpt Ten minutes after the crackup, somebody phoned for the Army....

All space was electrified as that harsh challenge rang out ... but John Endlich hesitated. For he saw beyond his own murder - saw the horror and destruction his death would unleash - and knew he dared...

Ed Dukas was writing letters. Someone or something was also writing - unseen but at his elbow. It was perhaps fifteen minutes before he noticed. Conspicuous at the center of the next blank sheet of paper...

The creatures that people this exciting story of Mr. Gallun, may seem at first blush to be impossible monstrosities. Yet, on consideration, we must realize that they are not so far-fetched. Even in our...

The hero of the novel is Ed Doukas, who is the nephew of the scientist whom everyone blames for the destruction of the Moon (though it's never clear if the scientist is actually guilty); this uncle survived,...

Nelson and Ramos sped on toward Mars in their tiny plastic-bubble spacecraft. They were on the alert - it didn't pay to take anything for granted in the Big Vacuum...The way between the worlds was mostly...

Ed Dukas was writing letters. Someone or something was also writing—unseen but at his elbow. It was perhaps fifteen minutes before he noticed. Conspicuous at the center of the next blank sheet of paper...

The creatures that people this exciting story of Mr. Gallun, may seem at first blush to be impossible monstrosities. Yet, on consideration, we must realize that they are not so far-fetched. Even in our...

SERAPIS CLASSICS EDITION INCLUDES BONUS STORIES BY ROGER DEE, JIM WANNAMAKER & RAYMOND GALLUN! _________ Bold and ruthless, he was famed throughout the System as a big-game hunter. From the firedrakes...