When the Terrans came, they found a world of dead sea-bottoms, lost civilizations, and secretive tribes bitterly resenting the intrusion of the Terrans on the fading glory of an ancient planet. The Earthmen looked down upon the crumbling ruins of a brilliant culture, and laughed at the stories of invincible gods and forgotten magic lingering in the forbidden cities of Jekkara, Barrakesh, Valkis ...But the dangers were real--and only a few renegade Earth-born adventurers who had adopted the Martian way of life could understand the planet-wide disaster that was building up.

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

    Titan, an independent republic, was originally colonized from Earth three generations earlier. Duncan's initial challenge is to prepare, physically and intellectually, for the 500-million-mile trip to Earth. Once there, he is caught up in a sweep of new experiences, including the social and political whirl in Washington, a strange visit to a carefully preserved ancient city once prominent in the 20th century, and a search for and meeting with a woman he loved since she visited Titan years before.

    An odyssey of discovery, from a shattered society through the solar system with a handful of men and women who ride a cold, hurtling ball of ice to the shaky promise of a distant, unknowable future.

    But once they brought back the news that they had discovered aliens, they were doomed to another journey--one that could decide between peaceful coexistence or interstellar war!

    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!

    . . a sophisticated traveler between many worlds. But he had certainly never thought of himself as a hero.Skua September, on the other hand, never thought of himself as anything else.A matched pair, if ever there was one!When the two of them were suddenly stranded on a deadly frozen world, Ethan Fortune incredibly found himself cast in the role of Leader.And he didn't find that at all amusing . . .

    It is the monumental story of a Galactic Empire in decline, and the secret society of scientists who seek to shorten the inevitable Dark Age with the science of psychohistory. Now, with the permission -- and blessing -- of the Asimov estate, the epic saga continues.Fate -- and a cruel Emperor's arbitrary power -- have thrust Hari Seldon into the First Ministership of the Empire against his will. As the story opens, Hari is about to leave his quiet professorship and take on the all but impossible task of administering 25 million inhabited worlds from the all-steel planet of Trantor. With the help of his beautiful bio-engineered "wife" Dors and his alien companion Yugo, Seldon is still developing the science that will transform history, never dreaming that it will ultimately pit him against future history's most awesome threat.

    On an island with a glass shore - relic of some even more ancient conflict - she discovers she is to be hunted by the Huhsz, a religious cult which believes she is the last obstacle before their faith's apotheosis. She has to run, knowing her only hope of finally escaping the Huhsz is to find the last of the ancient, apocalyptically powerful but seemingly cursed Lazy Guns. But that is just the first as well as the final step on a search that takes her on an odyssey through the exotic Golterian system and results in both a trail of destruction and a journey into her own past, as well as that of her family and the system itself; a journey that changes everything.

    The Tree ruled the horizons, shouldered aside the clouds, and wore thunder and lightning like a wreath of tinsels. It was the soul of life, trampling and vanquishing the inert, an Joe understood how it had come to be worshipped by the first settlers of Kyril. For Joe Smith, the sight of the tree was the beginning of an experience that would forever change his life. He had journeyed into space in search of a man, but found instead the Tree. A Tree which held the power of life-and-death over millions of slaves!"The Houses of Iszm:"The inhabitants of a planet called Iszm, a species known as the Iszic, have evolved the native giant trees into living homes, with all needs and various luxuries supplied by the trees' own natural growth. The Iszic maintain a jealously-guarded monopoly, exporting only enough trees to keep prices high and make a great profit. The protagonist, Aile Farr, is a human botanist who goes to Iszm (like many others before him, of many species) to steal a female tree, which might allow the propagation of the species off world and break the monopoly."

    Mysterious beings had kidnapped David Falkhayn, the celbrated explorer of new worlds. Why were they trying to prevent him, at all costs, from exploiting the devil planet's resources? The stakes are nothing less that the survival of the human race, and the sentient beings allied with it.

    An early (1979) Cherryh novel about colonists on an alien world and their interactions with the catlike natives, centering on a young engineer sent to solve the colonists' problems, and his relationship with one of the natives. Major themes in this novel include sexual liberation, sexual aberration, hypocrisy of social mores, and responsibility toward indigenous peoples.

    The vital foodstuffs supplied by its Martian colony are being poisoned. Working in secret, the ruling Council of Science sends David Starr, its youngest member, to the Martian farmlands to discover the truth behind the murders...

    But Bill, a Technical Fertilizer Operator from a planet of farmers, wasn't interested in honor-he was only interested in two things: his chosen career, and the shapely curves of Inga-Maria Calyphigia. Then a recruiting robot shanghaied him with knockout drops, and he came to in deep space, aboard the Empire warship Christine Keeler. And from there, things got even worse.

    In the twenty-third century pioneers have escaped the crowded earth for life in self-sustaining orbital colonies.  One of the colonies, Rotor, has broken away from the solar system to create its own renegade utopia around an unknown red star two light-years from Earth:  a star named Nemesis.  Now a fifteen-year-old Rotorian girl has learned of the dire threat that nemesis poses to Earth's people--but she is prevented from warning them.  Soon she will realize that Nemesis endangers Rotor as well.  And so it will be up to her alone to save both Earth and Rotor as--drawn inexorably by Nemesis, the death star--they hurtle toward certain disaster.