In the Ocean of Night


Gregory Benford - 1977
    Ordered to destroy the comet, he instead discovers that it is actually the shell of a derelict space probe - a wreck with just enough power to emit a single electronic signal...2034: Then a reply is heard. Searching for the source of this signal that comes from outside the solar system, Nigel discovers the existence of a sentient ship. When the new vessel begins to communicate directly with him, the astronaut learns of the horrors that await humanity. For the ship was created by an alien race that has spent billions and billions of years searching for intelligent life...to annihilate it.In the Ocean of Night is a 1977 hard science fiction novel by Gregory Benford. It is the first novel in his Galactic Center Saga. It was nominated for the Nebula Award for Best Novel in 1977. It was first published as a novelette in the May/June 1972 edition of Worlds of If Science Fiction.

Search the Sky


Frederik Pohl - 1954
    Where was everybody? It was almost as if humankind, when separated by cosmic distances from Mother Earth, could not survive.

Footfall


Larry Niven - 1985
    Since the ringed planet carries no life, scientists deduce the mysterious ship to be a visitor from another star.The world's frantic efforts to signal the aliens go unanswered. The first contact is hostile: the invaders blast a Soviet space station, seize the survivors, and then destroy every dam and installation on Earth with a hail of asteriods. Now the conquerors are descending on the American heartland, demanding servile surrender--or death for all humans.

Nemesis


Isaac Asimov - 1989
    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.

The Game-Players of Titan


Philip K. Dick - 1963
    Dick creates a novel that manages to be simultaneously unpredictable and perversely logical. Poor Pete Garden has just lost Berkeley. He's also lost his wife, but he'll get a new one as soon as he rolls a three. It's all part of the rules of Bluff, the game that's become a blinding obsession for the last inhabitants of the planet Earth. But the rules are about to change--drastically and terminally--because Pete Garden will be playing his next game against an opponent who isn't even human, for stakes that are a lot higher than Berkeley.

Against a Dark Background


Iain M. Banks - 1993
    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 Sands of Mars


Arthur C. Clarke - 1951
    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 Longest Way Home


Robert Silverberg - 2002
    The Folk accept what the system offers them - stability, prosperity and peace - and the Indigenes are placid. Then, on one night of rebellion everything changes, as the Folk overthrow the Great Houses. Joseph, the young son of one Great House is visiting another and survives the violence, but his home is ten thousand miles away and communications and transport have been destroyed. For all he knows his family may have been wiped out but his only hope lies in making that ten thousand mile trek across a world turned strange and hostile.

God of Tarot


Piers Anthony - 1979
    Paul is a monk, which is better than a warrior on the planet Tarot, where religions are wielded like swords.

Sun of Suns


Karl Schroeder - 2006
    The world known as Virga is a fullerene balloon three thousand kilometers in diameter, filled with air, water, and aimlessly floating chunks of rock. The humans who live in this vast environment must build their own fusion suns and "towns" that are in the shape of enormous wood and rope wheels that are spun for gravity.Young, fit, bitter, and friendless, Hayden Griffin is a very dangerous man. He's come to the city of Rush in the nation of Slipstream with one thing in mind: to take murderous revenge for the deaths of his parents six years ago. His target is Admiral Chaison Fanning, head of the fleet of Slipstream, which conquered Hayden's nation of Aerie years ago. And the fact that Hayden's spent his adolescence living with pirates doesn't bode well for Fanning's chances...

The Green Odyssey


Philip José Farmer - 1957
    It has been called "rollicking science-fiction adventure," "uproarious," "swashbuckling," and "sheer fun," and described by science-fiction critic Sam Moskowitz as "filled with engaging humor."

Between Planets


Robert A. Heinlein - 1951
    His mother was born on Venus and his father on Earth, and Don himself was born on a spaceship in trajectory between planets. And he fights for the rights of this curious citizenship in very curious ways. Heinlein reveals in a dashing fast-moving style what can happen when politics - on an interplanetary scale - disregard the liberty of the individual. In the end, only the remarkable scientist-dragons of a rebellious Mars can resolve the conflict within a man who cannot live without the society that he knows is killing him.

Yurth Burden


Andre Norton - 1978
    Yet tow races shared it with no love between them. The Raski were the first people, the Yurth the late comers.This is the story of Elossa, the Yurth girl who followed the Call that every Yurth sensitive must follow when the time came. And this is the story of Stans, the Raski, who had to achieve manhood by blood rite against the hated Yurth.This is a novel of a world where ancient injustice had been done and never righted, where brooding evil and age-old vengeance awaited peace-makers-- and of two who brought this terror down upon their own heads.

Berserker


Fred Saberhagen - 1967
    The sole legacy of that war was the weapon that ended it: the death machines, the BERSERKERS. Guided by self-aware computers more intelligent than any human, these world-sized battlecraft carved a swath of death through the galaxy--until they arrived at the outskirts of the fledgling Empire of Man.These are the stories of the frail creatures who must meet this monstrous and implacable enemy--and who, by fighting it to a standstill, become the saviors of all living things.

Space Skimmer


David Gerrold - 1972
    Once the Empire had ruled the galaxy, linking thousands of worlds with a network of commerce, culture and law... Now, with the Empire gone, only isolated planets remained and they were rapidly sinking into oblivion. Then came Mass, a man driven by a dream of rediscovering the Empire... but to achieve that dream he must find and control the space skimmer, one of the miraculous vessels that had first made the Empire possible...