Surveillance. It is used by every tyranny to lock in place an uneven arrangement of power. When the mighty know all about you but common folk know little in reverse, then without accountability you can only have despotism, as shown by 6,000 years of recorded history. But new technologies do not have to lock in perpetual Big Brother. The spread of tools like cheap cameras and instant sharing might lead to the antidote against Big Brother. That is, if we learn the lessons taught by both history and science.

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.

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?

Young Maia is fast approaching a turning point in her life. As a half-caste var, she must leave the clan home of her privileged half-sisters and seek her fortune in the world. With her twin sister, Leie, she searches the docks of Port Sanger for an apprenticeship aboard the vessels that sail the trade routes of the Stratoin oceans. On her far-reaching, perilous journey of discovery, Maia will endure hardship and hunger, imprisonment and loneliness, bloody battles with pirates and separation from her twin.

It isn’t easy to get a group of bestselling SF authors to write new stories for an anthology, but that’s what Elizabeth Anne Hull has done in this powerhouse book. With original, captivating tales by Greg Bear, Gregory Benford, Ben Bova, David Brin, Cory Doctorow, Neil Gaiman, Joe Haldeman, Harry Harrison, Larry Niven, Vernor Vinge, Gene Wolfe, and others, Gateways is a SF event that will be a must-buy for SF readers of all tastes, from the traditional to the cutting edge; from the darkly serious to the laugh-out-loud funny.

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.

Physicist Dennis Nuel was the first human to probe the strange realms called anomaly worlds - alternate universes where the laws of science were unpredictably changed. But the world Dennis discovered seemed almost like our own - with one perplexing difference. To his astonishment, he was hailed as a wizard and found himself fighting beside a beautiful woman with strange powers against a mysterious warlord as he struggles to solve the riddle of this baffling world.

Everyone has wanted their favorite book to be real, if only for a moment. Everyone has wished to meet their favorite characters, if only for a day. But be careful in that wish, for even a history laid in ink can be repaid in flesh and blood, and reality is far deadlier than fiction...especially on Addington Isle.

In 1942, Lawrence Pritchard Waterhouse - mathematical genius and young Captain in the US Navy - is assigned to detachment 2702. It is an outfit so secret that only a handful of people know it exists, and some of those people have names like Churchill and Roosevelt. The mission of Watrehouse and Detachment 2702 - commanded by Marine Raider Bobby Shaftoe - is to keep the Nazis ignorant of the fact that Allied Intelligence has cracked the enemy's fabled Enigma code. In the present, Waterhouse's crypto-hacker grandson, Randy, is attempting to create a "data haven" in Southeast Asia....

Earth is long since dead. On a colony planet, a band of men has gained control of technology, made themselves immortal, and now rule their world as the gods of the Hindu pantheon. Only one dares oppose them: he who was once Siddhartha and is now Mahasamatman. Binder of Demons, Lord of Light.

Adrian Tchaikovksy's critically acclaimed stand-alone novel Children of Time is the epic story of humanity's battle for survival on a terraformed planet. Who will inherit this new Earth? The last remnants of the human race left a dying Earth, desperate to find a new home among the stars. Following in the footsteps of their ancestors, they discover the greatest treasure of the past age - a world terraformed and prepared for human life. But all is not right in this new Eden.

They mustn't harm a human being, they must obey human orders, and they must protect their own existence...but only so long as that doesn't violate rules one and two. With these Three Laws of Robotics, humanity embarked on a bold new era of evolution that would open up enormous possibilities, and unforeseen risks.

The future is here...in an adventure of cosmic dimension. 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.

From early work like "Rescue Party" and "The Lion of Comarre", through classic stories including "The Star", "Earthlight", "The Nine Billion Names of God", and "The Sentinel" (kernel of the later novel and movie 2001: A Space Odyssey), all the way to later work like "A Meeting with Medusa" and "The Hammer of God", this comprehensive short story collection encapsulates one of the great science fiction careers of all time.

It isn’t easy to get a group of bestselling SF authors to write new stories for an anthology, but that’s what Elizabeth Anne Hull has done in this powerhouse book. With original, captivating tales by Greg Bear, Gregory Benford, Ben Bova, David Brin, Cory Doctorow, Neil Gaiman, Joe Haldeman, Harry Harrison, Larry Niven, Vernor Vinge, Gene Wolfe, and others, Gateways is a SF event that will be a must-buy for SF readers of all tastes, from the traditional to the cutting edge; from the darkly serious to the laugh-out-loud funny.

Investigative reporter Andrew Worth turns down a documentary on a mysterious new mental illness - "Distress," or acute clinical anxiety syndrome, for another assignment. He's on his way to the artificial island of Stateless, where the world's top physicists are gathering to decide on a new TOE, or Theory of Everything, to replace Einstein's outmoded legacy.

Emanuel Goldsmith, a famous poet, murdered eight people, then disappeared. Three people want to find him: an aspiring writer, an embittered scientist who wants to use him, and a policewoman who needs to put him in custody before the Selectors, a vigilante organization, get to him first.

Howard Falcon almost lost his life in an accident as the first human astronaut to explore the atmosphere of Jupiter - and a combination of human ingenuity and technical expertise brought him back. But he is no longer himself. Instead he has been changed into an augmented human: part man, part machine, and exceptionally capable.

It is 2019. NASA astronaut Nigel Walmsley is sent on a mission to intercept a rogue asteroid on a collision course with Earth. Ordered to destroy it, 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….

At his death in 1988, Robert A. Heinlein left a legacy that almost single-handedly defined modern science fiction. But one of Heinlein's masterpieces was never finished. In 1955, he began work on Variable Star, a powerful and passionate tale of two young lovers driven apart by pride, power, and the vastness of interstellar time and space. Now, the Heinlein estate has authorized award-winning author Spider Robinson to expand his outline into a full-length novel. And the result is vintage Heinlein.

Beyond the Aquila Rift: It's shorthand for the trip no one ever hopes to make by accident. The one that will screw up the rest of your life, the one that creates the ghosts you see haunting the shadows of company bars across the whole Bubble. Men and women ripped out of time, cut adrift from families and lovers by an accident of an alien technology we use but rarely comprehend.

Fleet of Worlds takes a closer look at Human-Puppeteer (Citizen) relations and the events leading up to Niven's first Ringworld novel. Kirsten Quinn-Kovacks is among the best and brightest of her people. She gratefully serves the gentle race that rescued her ancestors from a dying starship, gave them a world, and nurtures them still. If only the Citizens knew where Kirsten's people came from.

Moth was a beautiful planet, the only one with wings - two great golden clouds suspended in space around it. Here was a wide-open world for any venture a man might scheme. The planet attracted unwary travelers, hardened space-sailors, and merchant buccaneers - a teeming, constantly shifting horde that provided a comfortable income for certain quick-witted fellows like Flinx and his pet flying snake Pip.

When a tremendous spacecraft takes orbit around Earth's moon and begins sending smaller landers down toward the North Pole, the newly arrived visitors quickly set up a permanent spaceport in Siberia. Their presence attracts many, including Rick Schumann, who establishes a tavern catering to all the various species of visiting aliens, a place he calls the Draco Tavern. From the mind of best-selling author Larry Niven come 27 tales and vignettes from this interstellar gathering place.

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.

After the fall of the American Ayatollahs as foretold in Stranger in a Strange Land and chronicled in Revolt in 2100, the United States of America at last fulfills the promise inherent in its first Revolution: for the first time in human history there is a nation with Liberty and Justice for All. No one may seize or harm the person or property of another, or invade his privacy, or force him to do his bidding. Americans are fiercely proud of their re-won liberties and the blood it cost them; nothing could make them forswear those truths they hold self-evident. Nothing except the promise of immortality…

Aliens are spying on Earth from one of the four worlds that make up the Warden Diamond. But it is impossible to send agents to any of the four worlds because of unique microscopic symbionts that make it impossible for visitors to leave the Diamond. Seeking a unique solution, each of the four worlds making up the Diamond is sent a person whose mind has been stripped of everything and who is now controlled by an agent of the Confederacy. Lilith is the first planet to be visited.

Mad scientists have never had it so tough. In super-hero comics, graphic novels, films, TV series, video games, and even works of what may be fiction, they are besieged by those who stand against them, devoid of sympathy for their irrational, megalomaniacal impulses to rule, destroy, or otherwise dominate the world as we know it. It’s just not fair. So those of us who are so twisted and sick that we love mad scientists have created this guide.

An undeciphered language in Crete. A rash of mysterious disappearances, from Bolivia to Japan. An ancient warning at the ruins of Babel. And a new spiritual leader, who claims that human history as we understand it is about to come to an end.