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.

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.

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.

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?

He was a survivor - a wanderer who traded tales for food and shelter in the dark and savage aftermath of a devastating war. Fate touches him one chill winter’s day when he borrows the jacket of a long-dead postal worker to protect himself from the cold. The old, worn uniform still has power as a symbol of hope, and with it he begins to weave his greatest tale, of a nation on the road to recovery. This is the story of a lie that became the most powerful kind of truth.

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.

Trained from birth in swordplay and combat, a young knight named Siris has journeyed to the Dark Citadel with a single purpose: fight through the army of Titans to face the tyrannical God King in one-on-one combat. This was his father's sacred mission, and his father's before him, going back countless generations in an effort to free their people from enslavement.

Ceony Twill arrives at the cottage of Magician Emery Thane with a broken heart. Having graduated at the top of her class from the Tagis Praff School for the Magically Inclined, Ceony is assigned an apprenticeship in paper magic despite her dreams of bespelling metal. And once she's bonded to paper, that will be her only magic... forever. Yet the spells Ceony learns under the strange yet kind Thane turn out to be more marvelous than she could have ever imagined.

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.

There's a reason We Are Legion was named Audible's Best Science Fiction Book of 2016: Its irresistibly irreverent wit! Bob Johansson has just sold his software company for a small fortune and is looking forward to a life of leisure. The first item on his to-do list: Spending his newfound windfall. On an urge to splurge, he signs up to have his head cryogenically preserved in case of death. Then he gets himself killed crossing the street. Waking up 117 years later, Bob discovers his mind has been uploaded into a sentient space probe with the ability to replicate itself.

Skeeve is a magician’s apprentice (and a wanna-be thief) until an assassin’s bolt kills his master, Garkin. Along with Aahz, the green-scaled, purple-tongued demon and master magician summoned by Garkin, he sets out on a quest to get even. The road to vengeance is bound to prove rocky, however, because Skeeve can barely light a candle with his beginning magic, and Aahz has lost his own considerable magical abilities as a consequence of Garkin’s summoning spell.

Alex Verus is part of a world hidden in plain sight, running a magic shop in London. And while Alex's own powers aren't as showy as some mages, he does have the advantage of foreseeing the possible future-allowing him to pull off operations that have a million-to-one-chance of success. But when Alex is approached by multiple factions to crack open a relic from a long-ago mage war, he knows that whatever's inside must be beyond powerful.

Set against the backdrop of China's Cultural Revolution, a secret military project sends signals into space to establish contact with aliens. An alien civilization on the brink of destruction captures the signal and plans to invade Earth. Meanwhile, on Earth, different camps start forming, planning to either welcome the superior beings and help them take over a world seen as corrupt, or to fight against the invasion. The result is a science fiction masterpiece of enormous scope and vision.

Jazz Bashara is a criminal. Well, sort of. Life on Artemis, the first and only city on the moon, is tough if you're not a rich tourist or an eccentric billionaire. So smuggling in the occasional harmless bit of contraband barely counts, right? Not when you've got debts to pay and your job as a porter barely covers the rent. Everything changes when Jazz sees the chance to commit the perfect crime, with a reward too lucrative to turn down.

Melanie is a very special girl. Dr. Caldwell calls her "our little genius". Every morning, Melanie waits in her cell to be collected for class. When they come for her, Sergeant keeps his gun pointing at her while two of his people strap her into the wheelchair. She thinks they don't like her. She jokes that she won't bite, but they don't laugh. Melanie loves school. She loves learning about spelling and sums and the world outside the classroom and the children's cells. She tells her favorite teacher all the things she'll do when she grows up.

Two hundred years after the Forbidding was broken, Santhenar is locked in war with the lyrinx - intelligent, winged predators who will do anything to gain their own world. Despite the development of battle clankers and mastery of the crystals that power them, humanity is losing. Tiaan, a lonely crystal worker in a clanker manufactory, is experimenting with an entirely new kind of crystal when she begins to have extraordinary visions.

In this new series, set in the bestselling world of Valdemar, Heralds Mags and Amily must continue to protect the realm of Valdemar while raising their children and preparing them to follow in their footsteps.

Mags, Herald Spy of Valdemar, and his wife, Amily, the King’s Own Herald, are happily married with three kids. The oldest, Peregrine, has the Gift of Animal Mindspeech—he can talk to animals and persuade them to act as he wishes. Perry's dream is to follow in his father's footsteps as a Herald Spy, but he has yet to be Chosen by a Companion.

For a game, the gods have given the world 12 Swords of Power so that they might be amused as the nations battle for their possession. But Vulcan the Smith has had his own little joke: the Swords can kill the gods themselves. What started out as Divine Jest has become all too serious as the gods fight to recover the Swords, and mortals discover that the mantle of power is more delicious and more terrible than anything they could have imagined.

Fans of Douglas Adams' Hitchhiker's Guide to the Galaxy and Good Omens - your wait is over! The next ridiculous sci-fi fantasy series from a snarky British guy is here! And now you can experience the complete Doomsayer Journeys Trilogy in one volume!

Udo's biggest problem isn't being a digger (that's low class), or staying drunk (that's damn expensive), or avoiding the Dwergaz (they're monsters), or even pissing off the supposed Gods. It's that his reality...well, it isn't what he thought. And now, he can't even afford to drink because his so-called friend Nicz is cutting into his business, digging up tin, iron, and copper. So Udo forms a new plan: clay. After all, clay jars are used to store everything: meat, herbs, and, his personal favorite, ale.

Jodi Taylor reads the long-awaited prequel in her Chronicles of St Mary’s series, as Dr Bairstow struggles to set up St Mary’s as we know it in a world still scarred by the ravages of civil war. Ever wondered how it all began? It’s two years since the final victory at the Battersea Barricades. The fighting might be finished, but for Dr Bairstow, just now setting up St Mary's, the struggle is only beginning. How will he assemble his team? From where will his funding come?

Prince Kevin Timberline must retrieve Ancient Artifact Model Seven from the clutches of the evil Lord Voltmeter - He Who Must Be Named - before said evil lord unleashes his diabolical plan. Luckily, Kevin wields a secret weapon that will cause the forces of darkness to tremble: The Handbook of Practical Heroics.

Nikolis’ parents are dead - murdered before his eyes. What’s worse, they were traitors to the crown. At least that’s what he hears the village folk saying moments before he is whisked away to the castle of Highkeep. There he finds himself before the aged King Alginor, a man brought to a boil by his very presence.

Their peace was a fragile thing, but it had endured for seven years, mostly because the people of Darassus and the king of the Naor hordes believed his doom was foretold upon the edge of the great sword hung in the hall of champions. Unruly Naor clans might raid across the border, but the king himself would never lead his people to war so long as the blade remained in the hands of his enemies. But when squire Elenai’s aging uncovers evidence that the sword in their hall is a forgery, she’s forced to flee Darassus for her life, her only ally the reckless, disillusioned Kyrkenall.

What is a billionaire heiress supposed to do when all of her older siblings take to business like her parents, proving that business is in their blood. But not hers? There are many good choices. Unfortunately, Chloe decided that partying was the right one. Now, to keep her money, she’s required to attend daily meetings with the family psychologist - daily meetings about how she must change her present to change her future.

Penguin presents the unabridged, downloadable, audiobook edition of The Ballad of Sir Benfro: Dreamwalker, the first installment in the new fantasy series from JD Oswald, read by Wayne Forester. Miles from the great cities of the Twin Kingdoms, a young boy called Errol tries to find his way in the world. He's an outsider, and no one, not even himself, has any knowledge of his true lineage. Deep in the forest, Benfro, the young male dragon begins his training in the subtle arts.

The story of The Tripods was the basis of a popular BBC television series in the 1980s, where humanity has been conquered and enslaved by "the tripods", unseen alien entities that travel about in gigantic three-legged walking machines.

Once there were three worlds, each with their own human species. Then, fleeing out of the void came a fourth species, the Charon. Desperate, on the edge of extinction, they changed the balance between the worlds forever. Karan, a sensitive with a troubled heritage, is forced to steal an ancient relic in repayment of a debt. It turns out to be the Mirror of Aachan, a twisted, deceitful thing that remembers everything it has ever seen.

Once a student of alchemy with the dark scholars of the Technic League, Alaeron fled their arcane order when his conscience got the better of him, taking with him a few strange devices of unknown function. Now in hiding in a distant city, he's happy to use his skills creating minor potions and wonders - at least until the back-alley rescue of an adventurer named Jaya lands him in trouble with a powerful crime lord.

It began as just another evening of fantasy gaming with James, Karl, Andrea, and the rest ready to assume their various roles as wizard, cleric, warrior, or thief. But sorcerous gamemaster Professor Deighton had something else planned for this unsuspecting group of college students. And the "game" soon became a matter of life and death as the seven adventurers found themselves transported to an alternate world and into the bodies of the actual characters they had been pretending to be....

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?

Gerald Livingston is an orbital garbage collector. For a hundred years, people have been abandoning things in space, and someone has to clean it up. But there’s something spinning a little bit higher than he expects, something that isn’t on the decades’ old orbital maps. An hour after he grabs it and brings it in, rumors fill Earth’s infomesh about an "alien artifact".

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.

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.

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.