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.

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.

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.

A call from a distraught wife, and another from Lt. Murphy of the Chicago PD Special Investigation Unit makes Harry believe things are looking up, but they are about to get worse, much worse. Someone is harnessing immense supernatural forces to commit a series of grisly murders. Someone has violated the first law of magic: Thou Shalt Not Kill. Tracking that someone takes Harry into the dangerous underbelly of Chicago, from mobsters to vampires....

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.

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.

Gifted with meta-human powers, Tori Rivas kept away from the limelight, preferring to work as a thief in the shadows. But when she's captured trying to rob a vault that belongs to a secret guild of villains, she's offered a hard choice: prove she has what it takes to join them or be eliminated. Apprenticed to one of the world's most powerful (and supposedly dead) villains, she is thrust into a strange world where the lines that divide superheroes and criminals are more complex than they seem.

En route to London from New York, Flight 305 suddenly loses power and crash-lands in the English countryside, plunging a group of strangers into a mysterious adventure that will have repercussions for all of humankind. Struggling to stay alive, the survivors soon realize that the world they've crashed in is very different from the one they left. But where are they? Why are they here? And how will they get back home?

Deep in the African rain forest, near the legendary ruins of the Lost City of Zinj, an expedition of eight American geologists are mysteriously and brutally killed in a matter of minutes. Ten thousand miles away, Karen Ross, the Congo Project Supervisor, watches a gruesome video transmission of the aftermath: a camp destroyed, tents crushed and torn, equipment scattered in the mud alongside dead bodies - all motionless except for one moving image - a grainy, dark, man-shaped blur.

After an upbringing of proper behavior and oppressive expectations, Aralorn fled her noble birthright for a life of adventure as a mercenary spy. Her latest mission involves spying on the increasingly powerful sorcerer Geoffrey ae'Magi. But in a war against an enemy armed with the powers of illusion, how do you know who the true enemy is - or where he will strike next?

The Guild of Navigators has ruled the Aion Sea for centuries, using their fleet of mystical ships to collect trade for the Aurelian Empire. Now, the Emperor is dead. For Calder Marten, Captain of The Testament, the Emperor’s death is not an end, but an opportunity. He and his crew seek the legendary Heart of Nakothi, an artifact that could raise a second Emperor...and earn Calder a fortune. But they’re not the only ones who want the Heart. The Consultant’s Guild, an ancient order of spies and assassins, will stop at nothing to keep the world in chaos.

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!

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?

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.

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.

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....

In the lower wards of Kahnzoka, the port city of the Blessed Empire, 18-year-old ward boss Isoka enforces the will of her criminal masters with the power of Melos, the Well of Combat. The money she collects goes to keep her little sister living in comfort, far from the bloody streets they grew up on. When Isoka's magic is discovered by the government, she's arrested and brought to the Emperor's spymaster, who sends her on an impossible mission: Steal Soliton, a legendary ghost ship - a ship from which no one has ever returned. If she fails, her sister’s life is forfeit.

You define life or it defines you. In Shawn Speakman’s case, it was both. Lacking health insurance and diagnosed with Hodgkin’s lymphoma in 2011, Shawn quickly accrued a massive medical debt that he did not have the ability to pay. That’s when New York Times best-selling author Terry Brooks offered to donate a short story that Shawn could sell to help alleviate those bills—and suggested he ask the same of his other writer friends. Unfettered is the result: An anthology built in order to relieve that debt, featuring short stories by some of the best fantasy writers in the genre.

Everyone loves Mathias. Naturally, when he discovers it’s his destiny to save the world, he dives in headfirst, pulling his best friend, Aaslo, along for the ride. However, saving the world isn’t as easy, or exciting, as it sounds in the stories. The going gets rough, and folks start to believe their best chance for survival is to surrender to the forces of evil, which isn’t how the prophecy goes. At all. As the list of allies grows thin and the friends find themselves staring death in the face, they must decide how to become the heroes they were destined to be.