As Cluster opens, the alien envoy Pnotl of Sphere Knyfh seeks help from Sphere Sol in a shared galactic-level crisis: Galaxy Andromeda has discovered the secret of energy transfer and intends to use it to steal the basic energy of the Milky Way Galaxy.

Knyfh offers the secret of aura transfer on the understanding that Sphere Sol will spread the technology to help create a galactic coalition to find and defeat agents of Andromeda.

In February 1989, science fiction writer Piers Anthony, author of the Xanth series, received a moving letter. It came from a woman whose daughter, Jenny, was in a coma as a result of severe injuries caused by a drunk driver. She asked Anthony to write to Jenny, an avid fan of his, in the hope that a letter from him would evoke some response. Her request resulted in a series of warm, supportive, and humorous letters written weekly from Anthony to Jenny. These were read to the patient by her mother.

The Kingdom of Rud languishes under the heel of a usurper; an evil sorcerer has taken the throne in the name of his wicked daughter. Even deep in the forest, away from all power, the people tremble and await the day of prophecy's fulfillment. It cannot come too soon: Charlain and her children are soon to lose their home to the tax collector.

In this, the first novel of the best-selling Incarnations of Immortality series, Piers Anthony combines a deeply moving examination of the meaning of life and death with a gripping story of romance and loyalty, all set in a world of magic and technical wizardry.

On the technological, decadent world of Proton, someone was trying to destroy Stile, serf and master Gamesman. His only escape lay in Phaze, a world totally ruled by magic. Soon he learned that his alternate self had already been murdered, and that he was next. On Proton, his fate depended on winning the great Games. On Phaze, he must master magic to survive. And if he used any magic at all, his friends were determined to kill him at once!

A Fire Upon the Deep is the big, breakout book that fulfills the promise of Vinge's career to date: a gripping tale of galactic war told on a cosmic scale. Thousands of years hence, many races inhabit a universe where a mind's potential is determined by its location in space, from superintelligent entities in the Transcend, to the limited minds of the Unthinking Depths, where only simple creatures and technology can function.

At last, one of the world’s greatest works of science fiction is available - just as author Stanislaw Lem intended it. To mark the 50th anniversary of the publication of Solaris, Audible, in cooperation with the Lem Estate, has commissioned a brand-new translation - complete for the first time, and the first ever directly from the original Polish to English. Beautifully narrated by Alessandro Juliani ( Battlestar Galactica), Lem’s provocative novel comes alive for a new generation.

For three days battle has raged in the snow around the great city of Tar Valon. In the city, a foretelling of the future is uttered. On the slopes of Dragonmount, the immense mountain that looms over the city, a child is born, an infant prophesied to change the world. That child must be found before he can be killed by the forces of the Shadow.

This latest installment in New York Times best-selling author R.A. Salvatore's beloved fantasy saga, The Companions moves Salvatore's signature hero Drizzt into a new era of the Forgotten Realms. As Drizzt's fate hangs in the balance, he reflects on the lives of the trusted allies who stood by his side throughout his early life - the friends now known as the Companions of the Hall. Meanwhile, the first stirrings of the Sundering begin.

It was January 2021, and Rick Deckard had a license to kill. Somewhere among the hordes of humans out there lurked several rogue androids. Deckard's assignment: find them and then..."retire" them. Trouble was, the androids all looked exactly like humans, and they didn't want to be found!

In what is considered one of Heinlein's most hair-raising, thought-provoking, and outrageous adventures, the master of modern science fiction tells the strange story of an even stranger world. It is 21st-century Luna, a harsh penal colony where a revolt is plotted between a bashful computer and a ragtag collection of maverick humans, a revolt that goes beautifully until the inevitable happens. But that's the problem with the inevitable: it always happens.

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.

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.

When Michael Moorcock began chronicling the adventures of the albino sorcerer Elric, last king of decadent Melniboné, and his sentient vampiric sword, Stormbringer, he set out to create a new kind of fantasy adventure, one that broke with tradition and reflected a more up-to-date sophistication of theme and style. The result was a bold and unique hero: a rock-and-roll antihero who would channel all the violent excesses of the '60s into one enduring archetype.

Vergil's innovative experiment restructuring the cells of a common virus becomes a nightmare when, in order to save his research, Vergil injects the entire culture into his bloodstream.

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.

Here is the novel that will be forever considered a triumph of the imagination. Set on the desert planet Arrakis, Dune is the story of the boy Paul Atreides, who would become the mysterious man known as Maud'dib. He would avenge the traitorous plot against his noble family and would bring to fruition humankind's most ancient and unattainable dream.

In a landlocked galaxy that tunnels through our own, the Entire is a bizarre and seductive mix of long-lied quasi-human and alien beings gathered under a sky of fire, called the "bright". A land of wonders, the Entire is sustained by monumental storm walls and an exotic, never-ending river. Over all, the elegant and cruel Tarig rule supreme. Into this rich milieu is thrust Titus Quinn, former star pilot.

In the little town of Palomo Grove, two great armies are amassing; forces shaped from the hearts and souls of America. In this New York Times best-seller, Barker unveils one of the most ambitious imaginative landscapes in modern fiction, creating a new vocabulary for the age-old battle between good and evil. Carrying its readers from the first stirring of consciousness to a vision of the end of the world, The Great and Secret Show is a breathtaking journey in the company of a master storyteller.

A deadly assassin sent from a race called the Mein, exiled long ago to an ice-locked stronghold in the frozen north, strikes at Leodan Akaran, ruler of the Known World, while the Mein also unleash surprise attacks across the empire. On his deathbed, Leodan puts into play a plan to allow his children to escape, each to his separate destiny. And so his children begin a quest to avenge their father's death and restore the Acacian empire, this time on the basis of universal freedom.

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.

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.

Rhapsody is a woman, a singer of some talent who is swept up into events of world-shattering import. On the run from an old romantic interest who won't take no for an answer, Rhapsody literally bumps into a couple of shady characters: half breeds who come to her rescue in the nick of time. Only the rescue turns into an abduction, and Rhapsody soon finds herself dragged along on an epic voyage--one that spans centuries and ranges across a wonder-filled fantasy world.

A bonus never-before-released short story by best-selling author Isobelle Carmody. Before the apocolyptic Great White - and the regressive theology that ruled the decimated population in its wake - the city of Uropa is a gleaming metropolis devoted wholly to materialistic consumption.

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….

Some of the parchment pages were the color of cream, thick and substantial, made to last many, many lifetimes. Other pages were thin and desiccated, positively yellow from age, and crackled alarmingly as Van Richten turned them over. There were no ornate illuminations, no fussy borders, only lines of plain text in hard black ink. The flowing handwriting was a bit difficult to follow at first; the writer's style of calligraphy had not been in common use for 300 years. No table of contents, but from the dates it looked to be some kind of history.

In the endless forests of the Wild, humanity scratches a living by the side of the great Godroads, paths of crystal that provide safe passage and hold back the infernal tide. Creatures lurk within the trees, watching, and plucking those who stray too far from safety. In crystal castles held aloft on magical currents, seven timeless royal families reign, protecting humanity from the spread of the Wild and its demons. Born and reborn into flawless bodies, the Deathless are as immortal as the precious stones from which they take their names. For generations a fragile balance has held.

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.

The night Quin Kincaid takes her oath, she will become what she has trained to be her entire life. She will become a Seeker. This is her legacy, and it is an honor. As a Seeker, Quin will fight beside her two closest companions, Shinobu and John, to protect the weak and the wronged. Together they will stand for light in a shadowy world. And she'll be with the boy she loves - who's also her best friend. But the night Quin takes her Oath, everything changes. Being a Seeker is not what she thought. Her family is not what she thought. Even the boy she loves is not who she thought.

Rachelle Matthews dreamed and awoke in another world. There she learned she was the 49th Mystic, the prophesied one, tasked with finding five ancient seals before powerful enemies destroy her. If Rachelle succeeds in her quest, peace will reign. If she fails, the world will forever be locked in darkness. In The 49th Mystic, Rachelle found the first three of those five seals through great peril and mind-altering adventure. But two seals remain hidden, and the fate of both worlds hangs in their balance.