The long-awaited new novel by the award-winning, best-selling author of Startide Rising and The Uplift War- an epic novel set 50 years from tomorrow, a carefully-reasoned, scientifically faithful tale of the fate of our world.

Deep in the Indian Ocean, Dr. Selene Khan enters an underwater dome thousands of years old, one that is fully operational. She barely escapes to the surface, only to discover that her research vessel has vanished. Can she make it to shore 100 miles away? On the other side of the world, Agent Jack Elliot uncovers an impossible 900 grams of antimatter. The trail leads him to Egypt, betrayal, and a sinister brainwashing facility. There, in a desperate move, he rescues Dr. Selene Khan.

From Hugo- and Nebula-winning author David Brin comes this extraordinary collection of tales and essays about the near and distant future, as humans and other intelligences encounter the secrets of the cosmos - and of their own existence. What happens when an urban archaeologist discovers a terrible secret under the landfills of Los Angeles? Will there still be a purpose for "biologicals" when cybernetic humans become mighty and smart? Come explore these and another dozen startling and provocative tomorrows with a modern master of science fiction.

Perhaps it wasn't from our time, perhaps it wasn't even from our universe, but the arrival of the 300-kilometer long stone was the answer to humanity's desperate plea to end the threat of nuclear war. Inside the deep recesses of the stone lies Thistledown: the remnants of a human society, versed in English, Russian and Chinese. The artifacts of this familiar people foretell a great Death caused by the ravages of war, but the government and scientists are unable to decide how to use this knowledge.

What may we become? How will we endure? The future is a daunting realm, filled with real and imagined perils. So enter it prepared! Here are vivid tales about possible tomorrows, from the keen eye and colorful pen of David Brin, a modern master of speculative fiction.

In a perilous future where disposable duplicate bodies fulfill every legal and illicit whim of their decadent masters, life is cheap. No one knows that better than Albert Morris, a brash investigator with a knack for trouble, who has sent his own duplicates into deadly peril more times than he cares to remember. But when Morris takes on a ring of bootleggers making illegal copies of a famous actress, he stumbles upon a secret so explosive it has incited open warfare on the streets of Dittotown.

Centuries ago, the murder of a beloved king tore apart the Kingdom of Caledun. The land was plunged into chaos and thousands perished. A new order was established in an attempt to return Caledun to its former glory. It failed, but in its place rose the beginnings of the Code. During this same period, the mystical caretakers of the Great Wood retreated from the world of Kal Maran, their disappearance an ominous harbinger of the suffering that was to follow. The Great Wood now grows out of control. Cities, towns, and villages have fallen before the relentless march of the forest.

Critically acclaimed author Alastair Reynolds holds a well-deserved place “among the leaders of the hard-science space opera renaissance." ( Publishers Weekly). In Blue Remembered Earth, Geoffrey Akinya wants nothing more than to study the elephants of the Amboseli basin. But when his space-explorer grandmother dies, secrets come to light and Geoffrey is dispatched to the Moon to protect the family name - and prevent an impending catastrophe.

Arcana has never encountered another intelligent species while exploring scores of other worlds. No cities, no vast empires, no civilizations, and no equivalent of their own dragons, gryphons, spells, and wizards. But all of that is about to change. It seems there is intelligent life elsewhere in the multiverse. Other human intelligent life, with terrifying new weapons and powers of the mind...and wizards who go by the strange title of ''scientist''.

Deep in the Afghan mountains, Sergeant Michael Pitcher discovers an object with powers that defy explanation. After interacting with it, he suffers a traumatic seizure and is flown home for evaluation. Cleared by the doctors, Michael goes home to his relieved wife, Josie. But he’s a changed man. The once-loving husband is now coldly withdrawn. When a team of scientists connected to Sergeant Pitcher vanishes without a trace, CIA agent Dean Ninemeyer comes to him for insight - only to find that the recovering soldier has also disappeared.

Breathable air on Earth is running out and no one knows why. A mysterious discovery nearly 30 million years old may hold the answer. To find it, a glaciologist and the inventor of a cutting-edge brain implant will need to work together. But can they unlock its shocking secrets in time to save humankind? Filled with stunning twists and turns, Augmented is a technothriller that will leave you breathless!

In the 1800s, a sailing ship crashes off the coast of Norway. In the 1900s, a Zepellin explores an icy canyon in Antarctica. In the far future, a spaceship sets out for an alien artifact. Each excursion goes horribly wrong. And on every journey, Dr. Silas Coade is the physician, but only Silas seems to realize that these events keep repeating themselves. And it's up to him to figure out why and how. And how to stop it all from happening again.

When prospector Bob Broadhead went out to Gateway on the Heechee spacecraft, he decided he would know which was the right mission to make him his fortune. Three missions later, now famous and permanently rich, Robinette Broadhead has to face what happened to him and what he is...in a journey into himself as perilous and even more horrifying than the nightmare trip through the interstellar void that he drove himself to take!

A catastrophic event renders the earth a ticking time bomb. In a feverish race against the inevitable, nations around the globe band together to devise an ambitious plan to ensure the survival of humanity far beyond our atmosphere, in outer space.

Fraa Erasmus is a young avout living in the Concent of Saunt Edhar, a sanctuary for mathematicians, scientists, and philosophers, protected from the corrupting influences of the "Saecular" world by ancient stone, honored traditions, and complex rituals. Over the centuries, cities, and governments have risen and fallen beyond the concent's walls. Three times during history's darkest epochs, bloody violence born of superstition and ignorance has invaded and devastated the cloistered mathic community.

The long-awaited new novel by the award-winning, best-selling author of Startide Rising and The Uplift War- an epic novel set 50 years from tomorrow, a carefully-reasoned, scientifically faithful tale of the fate of our world.

For nearly a billion years, every known sentient species in the universe has been the result of genetic and cultural guidance - or "uplifting" - by a previously uplifted patron race. Then humans are discovered. Having already uplifted chimps and dolphins, humanity clearly qualifies as an intelligent species, but did they actually evolve their own intelligence, or did some mysterious patron race begin the process, then suddenly abandon Earth?

In a perilous future where disposable duplicate bodies fulfill every legal and illicit whim of their decadent masters, life is cheap. No one knows that better than Albert Morris, a brash investigator with a knack for trouble, who has sent his own duplicates into deadly peril more times than he cares to remember. But when Morris takes on a ring of bootleggers making illegal copies of a famous actress, he stumbles upon a secret so explosive it has incited open warfare on the streets of Dittotown.

Prescient and scientifically accurate, Heart of the Comet is known as one of the great hard SF novels of the 1980s. First published in 1986, it tells the story of an ambitious manned mission to visit Halley's Comet, alter its orbit, and mine it for resources. But all too soon, native cells - that might once have brought life to Earth - begin colonizing the colonists. As factions battle over the comet's future - and that of Earth - only love, courage, and ingenuity can avert disaster and spark a new human destiny.

They first appear as a series of dots on astronomical plates, heading from Saturn directly toward Earth. 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.

The River of Time brings together 12 of David Brin's stories, including "The Crystal Spheres", which won the Hugo Award for Best Science Fiction Short Story in 1985. Here are powerful tales of heroism and humanity, playful excursions into realms of fancy, and profound meditations on time, memory, and our place in the universe. Who guides our fate? And can we ever hope to wrest control for ourselves?

Persecuted refugees from six separate alien races have migrated to the idyllic planet Jijo. And despite their incredible diversity, the inhabitants live together in blissful harmony. However, settlement on Jijo is illegal - and it's only a matter of time before the residents of this forbidden paradise are discovered by the galactic powers-that-be.

What may we become? How will we endure? The future is a daunting realm, filled with real and imagined perils. So enter it prepared! Here are vivid tales about possible tomorrows, from the keen eye and colorful pen of David Brin, a modern master of speculative fiction.

Vannemar Morgan's dream is to link Earth to the stars with the greatest engineering feat of all time: a 24,000-mile-high space elevator. But first he must solve a million technical, political, and economic problems while allaying the wrath of God. For the only possible site on the planet for Morgans Orbital Tower is the monastery atop the Sacred Mountain of Sri Kanda.

Perhaps it wasn't from our time, perhaps it wasn't even from our universe, but the arrival of the 300-kilometer long stone was the answer to humanity's desperate plea to end the threat of nuclear war. Inside the deep recesses of the stone lies Thistledown: the remnants of a human society, versed in English, Russian and Chinese. The artifacts of this familiar people foretell a great Death caused by the ravages of war, but the government and scientists are unable to decide how to use this knowledge.

On September 28th, a geologist working in Death Valley finds a mysterious new cinder cone in very well-mapped area. On October 1, the government of Australia announces the discovery of an enormous granite mountain. Like the cinder cone, it wasn't there six months ago.

Something is happening to planet Earth, and the truth is too terrifying to contemplate

The day that changed Melody's life was like any other over the previous two years. She'd found she had a gift for writing, and her career as an author had almost healed the pain of losing her job. When the Secret Service rang her bell, everything changed. Something was nearing Saturn…and it was slowing down. Had she been right about the object?

An amazing breakthrough in genetic engineering made by Vergil Ulam is considered too dangerous for further research, but rather than destroy his work, he injects himself with his creation and walks out of his lab, unaware of just how his actions will change the world.

The Singularity. It is the era of the posthuman. Artificial intelligences have surpassed the limits of human intellect. Biotechnological beings have rendered people all but extinct. Molecular nanotechnology runs rampant, replicating and reprogramming at will. Contact with extraterrestrial life grows more imminent with each new day.

In this Hugo Award-winning classic, Enoch Wallace is an ageless hermit, striding across his untended farm as he had done for over a century, still carrying the gun with which he had served in the Civil War. But what his neighbors must never know is that, inside his unchanging house, he meets with a host of unimaginable friends from the farthest stars.