Original cast members from the beloved TV series, Buffy the Vampire Slayer, reunite for an all-new adventure about connections that never die—even if you bury them. A decade has passed since the epic final battle that concluded Buffy the Vampire Slayer (TV). The game-changing spell that gave power to all potential Slayers persists. With new Slayers constantly emerging, things are looking grim for the bad guys.

Best-selling science fiction superstars Larry Niven and Jerry Pournelle combine their talents with those of Steven Barnes in an extraordinary adventure of humankind’s first outpost in the farthest reaches of space. Light years from Earth, colonists land on a planet they name Avalon. It seems like a paradise—until native creatures savagely attack. It will take every bit of intelligence, courage, and military-style discipline to survive.

Welcome to Ringworld, an intermediate step between Dyson Spheres and planets. The gravitational force created by a rotation on its axis of 770 miles per second means no need for a roof. Walls 1,000 miles high at each rim will let in the sun and prevent much air from escaping. Larry Niven's novel, Ringworld, is the winner of the 1970 Hugo Award for Best Novel, the 1970 Nebula Award for Best Novel, and the 1972 Ditmars, an Australian award for Best International Science Fiction.

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 Mote In God's Eye is their acknowledged masterpiece, an epic novel of mankind's first encounter with alien life that transcends the genre. No lesser an authority than Robert A. Heinlein called it "possibly the finest science fiction novel I have ever read".

Jazz pianist Gus Kitko expected to spend his final moments on Earth playing piano at the greatest goodbye party of all time, and maybe kissing rock star Ardent Violet, before the last of humanity is wiped out forever by the Vanguards—ultra-powerful robots from the dark heart of space, hell-bent on destroying humanity for reasons none can divine. But when the Vanguards arrive, the unthinkable happens—the mecha that should be killing Gus instead saves him. Suddenly, Gus's swan song becomes humanity's encore, as he is chosen to join a small group dedicated to saving humanity.

After more than two hundred years as a corpsicle, Jaybee Corbell awoke in someone else’s body and under threat of instant annihilation if he made a wrong move while they were training him for a one-way mission to the stars. But Corbell bided his time and made his own move. Once he was outbound, where the society that ruled Earth could not reach him, he headed his starship toward the galactic core.

Equipped with the entirety of human knowledge, a sentient ship is launched on a last-ditch journey to find a new home for civilization. Trillions of miles. Tens of thousands of years. In the space between, the AI has plenty of time to think about life, the vastness of the universe, everything it was meant to do, and—with a perspective created but not limited by humans—what it should do.

Zachary Quinto - best known for his role as the Nimoy-approved Spock in the recent Star Trek reboot and the menacing, power-stealing serial killer, Sylar, in Heroes - brings his well-earned sci-fi credentials and simmering intensity to this audio-exclusive novella from master storyteller John Scalzi. One day, not long from now, it becomes almost impossible to murder anyone - 999 times out of a thousand, anyone who is intentionally killed comes back. How? We don't know.

The human race is at War with the "Buggers," an insect-like alien race. As Earth prepares to defend itself from total destruction at the hands of an inscrutable enemy, all focus is on the development of military geniuses who can fight such a war, and win. The long distances of interstellar space have given hope to the defenders of Earth--they have time to train these future commanders up from childhood, forging them into an irresistible force in the high orbital facility called the Battle School.

In the year 2045, reality is an ugly place. The only time Wade Watts really feels alive is when he’s jacked into the OASIS, a vast virtual world where most of humanity spends their days. When the eccentric creator of the OASIS dies, he leaves behind a series of fiendish puzzles, based on his obsession with the pop culture of decades past. Whoever is first to solve them will inherit his vast fortune—and control of the OASIS itself.

Geary believed in the Alliance. Even when he uncovered overwhelming evidence that the highest echelons of the government and fleet command were involved in secret programs and prison camps, he believed it was worth saving. He believed his duty was to see that justice was served even though some factions feared that revealing the truth would cause the Alliance to crumble. But after narrowly surviving two assassination attempts when he brings evidence of the misdeeds to the capital star system, Geary realizes that some want to get rid of him.

Lynn Raven may be the boss master of WarMonger 2050 with her online persona of "Larry the Snake", but when the CEO of Tsunami Entertainment personally asks her, as a favor, to beta test a new augmented-reality game, she has to face her greatest fear: going outside and dealing with, ugh, people.

Zack Lightman has never much cared for reality. He vastly prefers the countless science-fiction movies, books, and videogames he's spent his life consuming. And too often, he catches himself wishing that some fantastic, impossible, world-altering event could arrive to whisk him off on a grand spacefaring adventure.

Tricked into a world of banished gods, demons, goblins, sprites and magic, Richter must learn to meet the perils of The Land and begin to forge his own kingdom. Actions have consequences across The Land, with powerful creatures and factions now hell-bent on Richter's destruction. Can Richter forge allegiances to survive this harsh and unforgiving world or will he fall to the dark denizens of this ancient and unforgiving realm? A tale to shake "The Land" itself, measuring 10/10 on the Richter scale, how will Richter's choices shape the future of The Land and all who reside in it?

Convicted criminal James Griffin-Mars is no one's hero. In his time, Earth is a toxic, abandoned world, and humans have fled into the outer solar system to survive, eking out a fragile, doomed existence among the other planets and their moons. Those responsible for delaying humanity's demise believe time travel holds the key, and they have identified James, troubled though he is, as one of a select and expendable few ideally suited for the most dangerous job in history.

Humankind has escaped a dying Earth and set out to find a new home among the stars aboard an immense generation ship affectionately named the Ark. Bryan Benson is the Ark's greatest living sports hero, enjoying retirement working as a detective in Avalon, his home module. The hours are good, the work is easy, and the perks can't be beat. But when a crew member goes missing, Bryan is thrust into the center of an ever-expanding web of deception, secrets, and violence.

Geoff and his friends live in Phocaea, a distant asteroid colony on the Solar System's frontier. They're your basic high-spirited young adults, enjoying such pastimes as hacking matter compilers to produce dancing skeletons that prance through the low-gee communal areas, using their rocket-bikes to salvage methane ice shrapnel that flies away when the colony brings in a big (and vital) rock of the stuff, and figuring out how to avoid the ubiquitous surveillance motes.

Devi Morris isn't your average mercenary. She has plans. Big ones. And a ton of ambition. It's a combination that's going to get her killed one day - but not just yet. That is, until she gets a job on a tiny trade ship with a nasty reputation for surprises. The Glorious Fool isn't misnamed; it likes to get into trouble, so much so that one year of security work under its captain is equal to five years everywhere else. With odds like that, Devi knows she's found the perfect way to get the jump on the next part of her plan.

All Doctor Dire wants to do is save the world. But those pesky heroes keep getting in the way, and it's all she can do to give them a good fight without killing them. Supervillainy is such an underappreciated job these days....

Rhoma Grace is a 16-year-old student from House Cancer with an unusual way of reading the stars. While her classmates use measurements to make accurate astrological predictions, she looks up at the night sky and makes up stories.

Joey Harker isn't a hero. In fact, he's the kind of guy who gets lost in his own house. But then one day, Joey gets really lost. He walks straight out of his world and into another dimension. Joey's walk between the worlds makes him prey to two terrible forces: armies of magic and science who will do anything to harness his power to travel between dimensions.

Meet Cole: hapless space rogue, part-time smuggler, on a path to being full-time dead. His sidekick just stole his girlfriend. The galaxy's most hideous and feared bounty hunter wants to lay eggs in his brain. And the luxury space yacht Cole just hijacked turns out of be filled with interstellar do-gooders, one especially loathsome stowaway, and a cargo of freeze-dried orphans.

Cities all around the world reported strange alien vessels descending. Some saw them as the heralds of a new age; others fired everything they had at them. All were taken as the beams lashed down and drew them into the sky. Dean was left behind, seemingly the last man on Earth. A trail of clues left by his dead wife guides Dean on a perilous journey across America and beyond to learn the truth behind the mysterious ships and save humanity from its doom.

When humanity reaches for the stars, our probes are destroyed. They crash into an incredibly advanced piece of technology: a massive force-field. Unknown beings have placed a barrier around our star and planets, enclosing us within. We’re locked inside a Great Sphere. Was this invisible obstacle built to imprison us - or to protect us? No one knows the truth, but it soon becomes clear the barrier has leaks. Aliens infiltrate and try to sabotage our efforts to escape our cage.

The music of Rush, one of the most successful bands in music history, is filled with fantastic stories, evocative images, thought-provoking futures and pasts. In this anthology, notable, best-selling, and award-winning writers each chose a Rush song as the spark for a new story, drawing inspiration from the visionary trio Geddy Lee, Alex Lifeson, and Neil Peart.

On June 30, 1908, an object fell from the sky, releasing more energy than a thousand Hiroshima bombs. A Siberian forest was flattened, but the strike left no significant crater. The anomaly came to be known as the Tunguska Event, and scientists have never agreed whether it was the largest meteor strike in recorded history - or something else. Alien artifacts have been uncovered since the 1908 event, and a new star drive is discovered.

After decades hunting wanted offworlders throughout the solar system, Corporate Bounty Hunter Malcolm Graves doesn't bother asking questions. So long as the pay is right, he's the man for the job. And he always works alone. But when a high-profile bombing on Earth has Pervenio Corp clamoring for answers, they force him to team up with a strange, cyber-augmented partner. A young man more interested in statistics than instinct. Their assignment: Track down a suspected group of extremists from Titan who will go to any length to free their moon from the grip of Earth's corporations.

Jake Ramsey - an unassuming yet talented archaeologist - has been given the chance of a lifetime. Hired to investigate a recently unearthed Xel'Naga temple, he knows this latest assignment will open up whole new possibilities for his career. Yet when Jake discovers the remains of a long-dead protoss mystic, his hopes and dreams are irrevocably drowned in a flood of alien memories. Bonded to the spirit of the dead protoss, Jake has become the sole inheritor of the protoss' total history - every event, every thought - every feeling.

In the near future, in the Epcot of Walt Disney's imagination, sixty thousand people live in a CommuniTree surrounding the forward-looking Walt Disney World theme park. Five unique families are among the residents—and some of the parents were once known as the Kingdom Keepers. Their identities are carefully guarded in order to raise their children without special treatment, most of the Kingdom Keepers work for the Walt Disney Company, and have settled into "ordinary" and rewarding lives.