The title is a play on words, one meaning "the force which pulls" & the other being "extremely serious or important". It was serialized in Astounding Science Fiction, 4–7/53. Its 1st cloth publication was in '54. It was 1st published in paper in '58. Along with the novel itself, many editions (& most recent editions) of the book also include Whirligig World, an essay on creating the planet Mesklin that was published in the 6/53 Astounding. He published two sequels, a '70 novel called Star Light & a '73 short story called Lecture Demonstration. Mission of Gravity was nominated for a Retro Hugo Award for '54.For a profit & adventure Barlennan would sail thousands of miles across uncharted waters, into regions where gravity played strange tricks. He'd dare the perils of strange tribes & stranger creatures--even dicker with those aliens from beyond the skies, though the concept of another world was unknown to the inhabitants of the planet of Mesklin. But in spite of the incredible technology of the strangers & without regard for their enormous size, Barlennan had the notion of turning the deal to an unsuspected advantage for himself--a considerable enterprise for a being very much resembling a 15" caterpillar!

    For fifteen years, subterranean humanity has been fed on daily broadcasts of a never-ending nuclear destruction, sustained by a belief in the all powerful Protector. But up on Earth's surface, a different kind of reality reigns. East and West are at peace. Across the planet, an elite corps of expert hoaxers preserve the lie.Cover Illustration: Chris Moore

    With reckless abandon, he used his talent in the pursuit of pleasure. Then, one day, his power began to die... Universally acclaimed as Robert Silverberg's masterwork, Dying Inside is a vivid, harrowing portrait of a man who squandered a remarkable gift, of a superman who had to learn what it was to be human.

    Now Schoken Associates, one of the big players, has a new challenge for star copywriter Mitch Courtenay. Volunteers are needed to colonise Venus. It's a hellhole, and nobody who knew anything about it would dream of signing up. But by the time Mitch has finished, they will be queuing to get on board the spaceships.Biographical NotesPohl and Kornbluth started writing together as early as 1940, although both authors produced a wide variety of stories separately, under their own names and pseudonyms.Each wrote sections, starting where the other left off, and through long experience they developed an almost telepathic awareness of each other's intentions.

    His life is dominated by the place and the thriving black market in the alien products. But when he and his friend Kirill go into the Zone together to pick up a “full empty,” something goes wrong. And the news he gets from his girlfriend upon his return makes it inevitable that he’ll keep going back to the Zone, again and again, until he finds the answer to all his problems.First published in 1972, Roadside Picnic is still widely regarded as one of the greatest science fiction novels, despite the fact that it has been out of print in the United States for almost thirty years.

    Only a hidden group of rebels can stem the humanoid tide...if it's not already too late.Fist published in Astounding Science Fiction during the magazine's heyday, The Humanoids--sceince fiction grand master Jack Williamson's finest novel--has endured for fifty years as a classic on the theme of natural versus artificial life.Also included in this edition is the prelude novelette, "With Folded Hands," which was chosen for the Science Fiction Hall of Fame.

    Once he was outbound, where the Society that ruled Earth could not reach him, he headed his starship toward the galactic core, where the unimaginable energies of the Universe wrenched the fabric of time and space and promised final escape from his captors.Then he returned to an Earth eons older than the one he'd left...a planet that had had 3,000,000 years to develop perils he had never dreamed of -- perils that became nightmares that he had to escape...somehow!

    Each sought his own brand of happiness. But none could have guessed what awaited them. Not even in a million years....

    For aeons this golden-skinned, golden-eyed race had provided the universe mercenary soldiers of almost unimaginable ability. But now the mri have faced an enemy unlike any other - an enemy whose only way of war is widespread destruction. These "humans" are mass fighters, creatures of the herd, and the mri have been slaughtered like animals.Now, in the aftermath of war, the mri face extinction. It will be up to three individuals to save whatever remains of this devastated race: a warrior - one of the last survivors of his kind; a priestess of this honorable people; and a lone human - a man sworn to aid the enemy of his own kind. Can they retrace the galaxy-wide path of this nomadic race back through millennia to reclaim the ancient world which first gave them life?

    When a celebrated science fiction writer takes to space on his first trip to Mars, he's sure to be in for some heckling from the spaceship crew. But Martin Gibson, man about space, takes it all in his stride. That is, until he lands on the red planet. Once there the intrepid author causes one problem after another as he stumbles upon Mars's most carefully hidden secrets and threatens the future of an entire planet!

    The saga of the Space Beagle, mankind's first effort to reach another galaxy. And what strange life-forms are encountered!

    The Stars My Destination is a classic of technological prophecy and timeless narrative enchantment by an acknowledged master of science fiction.

    Men and women live like mice in burrows in the massive walls of the huge homes of the aliens, scurrying about under their feet, stealing from them. A complex social and religious order has evolved, with women preserving knowledge and working as healers, and men serving as warriors and thieves. For the aliens, men and women are just a nuisance, neither civilized nor intelligent, and certainly not a worthy adversary. In fact, they are regarded as vermin, to be exterminated. Which, ironically, may just be humankind's strength and point the way forward.

    The Arisians, using advanced mental technology, have foreseen the invasion of their galaxy by the corrupt and evil Eddorians, so they begin a breeding program on every planet in their universe. Their goal...to produce super warriors who can hold off the invading Eddorians.

    Up the Walls of the World is the 1978 debut novel of Alice Sheldon, who had built her reputation with the acclaimed short stories she published under the name James Tiptree Jr. A singular representation of American science fiction in its prime, Tiptree’s first novel expanded on the themes she addressed in her short fiction. Known as the Destroyer, a self-aware leviathan roams through space gobbling up star systems. In its path is the planet Tyree, populated by telepathic wind-dwelling aliens who are facing extinction. Meanwhile on Earth, people burdened with psi powers are part of a secret military experiment run by a drug-addicted doctor struggling with his own grief. These vulnerable humans soon become the target of the Tyrenni, whose only hope of survival is to take over their bodies and minds—an unspeakable crime in any other period of the aliens’ history...