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!

    The ultimate warriors, they are known for their deadly rages, unbreakable honor, and fierce independence. No man rules the Dorsai, but their mastery of the art of war has made them the most valuable mercenaries in the known universe. Donal Graeme is Dorsai, taller and harder than any ordinary man. But he is different as well, with talents that maze even his fellow Dorsai. And once he ventures out into the stars, the future will never be the same.

    A hidden stargate hurls him and his passengers to the Well World, the master control planet for the cosmos created by the now-gone godlike race who designed the universe. Now someone wants to find the Well of Souls to seize control of all the cosmos--and it's up to Nathan to stop them.

    It is to some extent a science fiction coming-of-age story, focused on a young girl named Nell, and set in a future world in which nanotechnology affects all aspects of life. The novel deals with themes of education, social class, ethnicity, and the nature of artificial intelligence.

    Earth scientist Rocannon is on that world, and he sees his friends murdered and his spaceship destroyed. Marooned among alien peoples, he leads the battle to free this new world - and finds that legends grow around him even as he fights.

    1 RefugeeCALIGULA OF THE STARSThough he was later accused of every crime and sexual perversion in the galaxy, Hope Hubris began as an innocent. Because he defended his older sister against the violent lusts of a wealthy scion, Hope and his peasant family were forced to flee Callisto, one of the moons of Jupiter. Pursued by the bloodthirsty scions across the airless desert, they barely escaped with their lives. The illegal space bubble was overcrowded with refugees, all hoping to reach Jupiter for asylum.But the space travelers had not reckoned on the terrible threat of high space-the pirates, barbaric men who rape, rob, and murder, with no thought but to satisfy their bestial appetites. It will take all Hope's ingenuity to survive, but the atrocities he witnesses will never die. There is only one way he can be rid of them . . . REVENGE

    Murdoc Jern, gem trader, finds that possession of the stone has led him to the center of a web of intrigue and murder.With his companion Eet, an inscrutable feline mutant with phenomenal ESP powers, he is hunted through space, coming finally to a long forgotten planet inhabited by apelike "sniffers." There, facing the predatory sniffers, the antagonistic Patrol and the laser-guns of the Thieves' Guild, Murdoc must seek the source of the Zero Stone and bargain for his right to pursue his destiny as a free man.

    A Fire upon the Deep is the big, breakout book that fulfills the promise of Vinge's career to date: a gripping tale of galactic war told on a cosmic scale.Thousands of years hence, many races inhabit a universe where a mind's potential is determined by its location in space, from superintelligent entities in the Transcend, to the limited minds of the Unthinking Depths, where only simple creatures and technology can function. Nobody knows what strange force partitioned space into these "regions of thought," but when the warring Straumli realm use an ancient Transcendent artifact as a weapon, they unwittingly unleash an awesome power that destroys thousands of worlds and enslaves all natural and artificial intelligence.Fleeing the threat, a family of scientists, including two children, are taken captive by the Tines, an alien race with a harsh medieval culture, and used as pawns in a ruthless power struggle. A rescue mission, not entirely composed of humans, must rescue the children-and a secret that may save the rest of interstellar civilization.

    Now its fleet is crippled and stranded in enemy territory. Their only hope is a man who's emerged from a century-long hibernation to find he has been heroically idealized, beyond belief...Captain John "Black Jack" Geary's legendary exploits are known to every schoolchild. Revered for his heroic "last stand" in the early days of the war, he was presumed dead. But a century later, Geary miraculously returns from survival hibernation and reluctantly takes command of the Alliance fleet as it faces annihilation by the Syndics.Appalled by the hero-worship around him, Geary is nevertheless a man who will do his duty. And he knows that bringing the stolen Syndic hypernet key safely home is the Alliance's one chance to win the war. But to do that, Geary will have to live up to the impossibly heroic "Black Jack" legend...

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

    Helliconia is emerging from its centuries-long winter. The tribes of the equatorial continent emerge from their hiding places and are again able to dispute possession of the planet with the ferocious phagors. In Oldorando, love, trade and coinage are being redisovered,This is the first volume of the Helliconia Trilogy -- a monumental saga that goes beyond anything yet created by this master among today's imaginative writers.

    the reader observes, recollects, or participates in a range of personal experience including violent pain and disfigurement, sensory deprivation and overload, man-machine communion, the drug experience, the creative experience - and inter-personal relationships which include incest and assassination, father-son, leader-follower, human-pet, and lots more!The balance of galactic power in the 31st century revolves around Illyrion, the most precious energy source in the universe. The varied and exotic crew who sign up with Captain Lorq van Ray know their mission is dangerous, and they soon learn that they are involved in a deadly race with the charismatic but vicious leader of an opposing space federation. But they have no idea of Lorq's secret obsession: to gather Illyrion at the source by flying through the very heart of an imploding star.

    But first she had to choose a human partner—male or female—to share her exhilarating escapades in space!Her life was to be rich and rewarding . . . resplendent with daring adventures and endless excitement, beyond the wildest dreams of mere mortals.Gifted with the voice of an angel and being virtually indestructible, Helva XH-834 anticipated a sublime immortality.Then one day she fell in love!

    But Worlorn isn’t the world Dirk imagined, and Gwen Delvano is no longer the woman he once knew. She is bound to another man, and to a dying planet that is trapped in twilight. Gwen needs Dirk’s protection, and he will do anything to keep her safe, even if it means challenging the barbaric man who has claimed her. But an impenetrable veil of secrecy surrounds them all, and it’s becoming impossible for Dirk to distinguish between his allies and his enemies. In this dangerous triangle, one is hurtling toward escape, another toward revenge, and the last toward a brutal, untimely demise.

    Humanity flows away from Earth, into space, and in time forgets our home world and creates a new empire, the Interdependency, whose ethos requires that no one human outpost can survive without the others. It’s a hedge against interstellar war -- and a system of control for the rulers of the empire.The Flow is eternal -- but it is not static. Just as a river changes course, The Flow changes as well, cutting off worlds from the rest of humanity. When it’s discovered that The Flow is moving, possibly cutting off all human worlds from faster than light travel forever, three individuals -- a scientist, a starship captain and the Empress of the Interdependency -- are in a race against time to discover what, if anything, can be salvaged from an interstellar empire on the brink of collapse.