Best Hard Science Fiction Books

At first, only a few things are known about the celestial object that astronomers dub Rama. It is huge, weighing more than ten trillion tons. And it is hurtling through the solar system at inconceivable speed. Then a space probe confirms the unthinkable: Rama is no natural object. It is, incredible, an interstellar spacecraft. Space explorers and planet-bound scientists alike prepare for mankind's first encounter with alien intelligence. It will kindle their wildest dreams... and fan their darkest fears. For no one knows who the Ramans are or why they have come. And now the moment of rendezvous awaits -- just behind a Raman airlock door.

For twelve thousand years the Galactic Empire has ruled supreme. Now it is dying. But only Hari Sheldon, creator of the revolutionary science of psychohistory, can see into the future—to a dark age of ignorance, barbarism, and warfare that will last thirty thousand years. To preserve knowledge and save mankind, Seldon gathers the best minds in the Empire—both scientists and scholars—and brings them to a bleak planet at the edge of the Galaxy to serve as a beacon of hope for a fututre generations. He calls his sanctuary the Foundation.

But soon the fledgling Foundation finds itself at the mercy of corrupt warlords rising in the wake of the receding Empire. Mankind's last best hope is faced with an agonizing choice: submit to the barbarians and be overrun—or fight them and be destroyed.

A new place is being built, a world of huge dimensions, encompassing millions of miles, stronger than any planet before it. There is gravity, and with high walls and its proximity to the sun, a livable new planet that is three million times the area of the Earth can be formed. We can start again!

In December, 1999, a multinational team journeys out to the stars, to the most awesome encounter in human history. Who -- or what -- is out there?
In Cosmos, Carl Sagan explained the universe. In Contact, he predicts its future -- and our own.

Behold the orphan.

Born into a world that is not a world.

A digital being grown from a mind seed, a genderless cybernetic citizen in a vast network of probes, satellites and servers knitting the Solar System into one scape, from the outer planets to the fiery surface of the Sun.

Since the Introdus in the 21st century, humanity has reconfigured itself drastically. Most chose immortality, joining the polises to become conscious software.

Others opted for gleisners: Disposable, renewable robotic bodies that remain in contact with the physical world of force and friction. Many of these have left the Solar System forever in fusion drive starships.

And there are the holdouts. The fleshers left behind in the muck and jungle of Earth -- some devolved into dream-apes; others cavorting in the seas or the air; while the statics and bridges try to shape out a roughly human destiny.

But the complacency of the citizens is shattered when an unforeseen disaster ravages the fleshers, and reveals the possibility that the polises themselves might be at risk from bizarre astrophysical processes that seem to violate fundamental laws of nature. The Orphan joins a group of citizens and flesher refugees in a search for the knowledge that will guarantee their safety -- a search that puts them on the trail of the ancient and elusive Transmuters, who have the power to reshape subatomic particles, and to cross into the macrocosmos, where the universe we know is nothing but a speck in the higher-dimensional vacuum.

Quite simply the boldest and most wildly speculative writer of his generation, Greg Egan has written a quantum Brave New World  for the century's end -- a masterful SF saga envisioning a time when not only humanity but "reality" itself will be but a memory.

It is a novel unlike anything you have ever read. Or even imagined.

In his most ambitious project to date, award-winning author Kim Stanley Robinson utilizes years of research and cutting-edge science in the first of three novels that will chronicle the colonization of Mars.

For eons, sandstorms have swept the barren desolate landscape of the red planet. For centuries, Mars has beckoned to mankind to come and conquer its hostile climate. Now, in the year 2026, a group of one hundred colonists is about to fulfill that destiny.

John Boone, Maya Toitavna, Frank Chalmers, and Arkady Bogdanov lead a mission whose ultimate goal is the terraforming of Mars. For some, Mars will become a passion driving them to daring acts of courage and madness; for others it offers and opportunity to strip the planet of its riches. And for the genetic "alchemists, " Mars presents a chance to create a biomedical miracle, a breakthrough that could change all we know about life...and death.

The colonists place giant satellite mirrors in Martian orbit to reflect light to the planets surface. Black dust sprinkled on the polar caps will capture warmth and melt the ice. And massive tunnels, kilometers in depth, will be drilled into the Martian mantle to create stupendous vents of hot gases. Against this backdrop of epic upheaval, rivalries, loves, and friendships will form and fall to pieces--for there are those who will fight to the death to prevent Mars from ever being changed.

Brilliantly imagined, breathtaking in scope and ingenuity, Red Mars is an epic scientific saga, chronicling the next step in human evolution and creating a world in its entirety. Red Mars shows us a future, with both glory and tarnish, that awes with complexity and inspires with vision.

In Snow Crash, Neal Stephenson took science fiction to dazzling new levels. Now, in The Diamond Age, he delivers another stunning tale. Set in twenty-first century Shanghai, it is the story of what happens when a state-of-the-art interactive device falls in the hands of a street urchin named Nell. Her life—and the entire future of humanity—is about to be decoded and reprogrammed…

The man known as Cheradenine Zakalwe was one of Special Circumstances' foremost agents, changing the destiny of planets to suit the Culture through intrigue, dirty tricks and military action.

The woman known as Diziet Sma had plucked him from obscurity and pushed him towards his present eminence, but despite all their dealings she did not know him as well as she thought.

The drone known as Skaffen-Amtiskaw knew both of these people. It had once saved the woman's life by massacring her attackers in a particularly bloody manner. It believed the man to be a lost cause. But not even its machine could see the horrors in his past.

Ferociously intelligent, both witty and horrific, USE OF WEAPONS is a masterpiece of science fiction.