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.

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!

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.

Thomas Covenant is a leper, a bitter and solitary pariah who is mystically transported to another Earth where time moves differently than ours, one in which magic takes many forms. The Land is threatened by many evils, the most immediate of which is a maddened Cavewight whose subterranean excavations have unearthed the ancient and puissant Staff of Law. More dangerous to the free people of the Land is the Gray Slayer, Lord Foul, the Despiser, who intends to destroy the actual foundations of the Earth that he might wage war against the universe’s creator.

Amber is the one real world, of which all others including our own Earth are but Shadows. Amber burns in Corwin's blood. Exiled on Shadow Earth for centuries, the prince is about to return to Amber to make a mad and desperate rush upon the throne.

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.

What happens to the would-be peacemakers when they find themselves in the middle of something else? Something dangerous, something highly advanced...and something familiar? If humanity is wise, we will prepare for everything we can imagine. But we cannot prepare for what we cannot imagine. It might be benign, it might be malign, or it might be a sign. You just have to know where to look.

This is a spellbinding tale woven of equal parts epic and myth - with a liberal dash of hard science fiction. When a one-way time tunnel to Earth’s distant past, specifically six million B.C., was discovered by folks on the Galactic Milieu, every misfit for light-years around hurried to pass through it. Each sought his own brand of happiness. But none could have guessed what awaited them. Not even in a million years....

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.

After his little sister vanishes before his eyes, Kellen awakens in another realm inhabited by mythical creatures and people who shape the very forces of nature. These are the Beastcallers, wielders of elemental magics who ascend alongside their beast companions.

Friday, a secret courier, is thrown into an assignment under the command of her employer, a man she knows only as "Boss." She operates from and over a near-future Earth in North America, a vulgar and chaotic land comprised of dozens of independent states. In America's disunion, Friday keeps her balance nimbly with quick, expeditious solutions as she conquers one calamity and scrape after another.

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.

When Lenina and Bernard visit a savage reservation, we experience how Utopia can destroy humanity. Cloning, feel-good drugs, anti-aging programs, and total social control through politics, programming, and media: has Aldous Huxley accurately predicted our future? With a storyteller's genius, he weaves these ethical controversies in a compelling narrative that dawns in the year 632 A.F. (After Ford, the deity). When Lenina and Bernard visit a savage reservation, we experience how Utopia can destroy humanity.

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.

There are some odd things about Nate’s new apartment. Of course, he has other things on his mind. He hates his job. He has no money in the bank. No girlfriend. No plans for the future. So while his new home isn’t perfect, it’s livable. The rent is low, the property managers are friendly, and the odd little mysteries don’t nag at him too much. At least, not until he meets Mandy, his neighbor across the hall, and notices something unusual about her apartment. And Xela’s apartment. And Tim’s. And Veek’s.

A huge international corporation has developed a facility along the Juan de Fuca Ridge at the bottom of the Pacific Ocean to exploit geothermal power. They send a bio-engineered crew - people who have been altered to withstand the pressure and breathe the seawater - down to live and work in this weird, fertile undersea darkness.

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.

A world with no hunger, no disease, no war, no misery: Humanity has conquered all those things and has even conquered death. Now Scythes are the only ones who can end life - and they are commanded to do so in order to keep the size of the population under control. Citra and Rowan are chosen to apprentice to a scythe - a role that neither wants. These teens must master the "art" of taking life, knowing that the consequence of failure could mean losing their own.

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.

When prospector Bob Broadhead went out to Gateway on the Heechee spacecraft, he decided he would know which was the right mission to make him his fortune. Three missions later, now famous and permanently rich, Robinette Broadhead has to face what happened to him and what he is...in a journey into himself as perilous and even more horrifying than the nightmare trip through the interstellar void that he drove himself to take!

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!

At the turn of the 22nd century, scientists make a breakthrough in human spaceflight. Through a revolutionary method known as somaforming, astronauts can survive in hostile environments off Earth using synthetic biological supplementations. With the fragility of the body no longer a limiting factor, human beings are at last able to journey to neighboring exoplanets long known to harbor life. A team of these explorers, Ariadne O’Neill and her three crewmates, are hard at work in a planetary system 15 light-years from Sol, on a mission to ecologically survey four habitable worlds.

In 2015 the Quantum Bomb exploded. An accident at an atom-smasher has fractured reality and opened Earth - now called Otopia - to waves of immigration from other dimensions, home to demons, fairies, elves and elementals. It is now 2021 and Lila Black, a special operative condemned to live as a cyborg after losing her limbs on a dangerous mission, has been assigned as bodyguard to Zal, a charismatic elven rock star.

Within the Eastern Empire, Duke Kordas Valdemar rules a tiny, bucolic Duchy that focuses mostly on horse breeding. Anticipating the day when the Empire's exploitative and militant leaders would not be content to leave them alone, Korda's father set out to gather magicians in the hopes of one day finding a way to escape and protect the people of the Duchy from tyranny.

The Ancient Egyptian gods have defeated all the other pantheons and claimed dominion over the earth, dividing it into warring factions. Lt. David Westwynter, a British soldier, stumbles into Freegypt, the only place to have remained independent of the gods’ influence. There, he encounters the followers of a humanist leader known as the Lightbringer, who has vowed to rid mankind of the shackles of divine oppression. As the world heads towards an apocalyptic battle, there is far more to this freedom fighter than it seems.

Donovan is a world of remarkable wealth that comes at a high price. When Supervisor Kalico Aguila's ship arrives, she discovers a failing colony, its government overthrown, the few remaining colonists gone wild. Donovan could make her career - or kill her. Planetside, Talina Perez is one of three rulers of the Port Authority colony - the only law in the one remaining town. With the Corporate ship demanding answers about the things she's done, Perez could lose everything, including her life. For Dan Wirth, Donovan is a last chance. A psychopath with a death sentence looming over his head, he will make a desperate play for power. No matter who he has to corrupt, murder, or destroy. Captain Max Taggart is the Corporation's enforcer. But is it too late to seize control of Donovan?

When half of mankind revolts and demands more opportunity, those at the top decide on a compromise: They will build the first colony ships and allow the rest to discover new worlds and start over. Twelve ships are built. The first is called the Orion. Many are eager to go, but only 100,000 are chosen for each vessel. Far from Earth, a new life awaits, and it promises the prosperity they've always wanted. But still, resistance stirs.

The Price family has spent generations studying the monsters of the world, working to protect them from humanity - and humanity from them. Enter Verity Price. Despite being trained from birth as a cryptozoologist, she'd rather dance a tango than tangle with a demon, and is spending a year in Manhattan while she pursues her career in professional ballroom dance. Sounds pretty simple, right?

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?

You think you’re struggling to find your place in the universe? Consider poor old Colin Douglass, a terminally ill insurance agent who awakens from centuries in cryogenic freeze to find Earth is a devastated wasteland. Now, he’s being pursued by a homicidal interstellar tourist board, and calculating insurance dividends is as outdated as making stone axes. Sci-fi-hating technophobe Colin seeks a cure for his illness in this strange new galaxy where toilets talk back, and door handles are a long-forgotten relic.

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.

Cassie did not feel the soul rider enter her body...but suddenly she knew that Anchor was corrupt, and that, far from being a formless void from which could issue ony mutant changelings and evil wizards, Flux was the soure of Anchor's very existence.

The price of her new knowledge is exile, yet Cassie and the Rider of her soul are the only hope for the redemption of both Flux and Anchor.

In a cave high in the Alps, a renegade anthropologist discovers a frozen Neanderthal couple with a Homo sapiens baby. Meanwhile, in southern Russia, the U.N. investigation of a mysterious mass grave is cut short. One of the investigators, molecular biologist Kaye Lang, returns home to the U.S. to learn that her theory on human retroviruses has been verified with the discovery of SHEVA, a virus that has slept in our DNA for millions of years and is now waking up.

Young Prince Gaborn of Mystarria is traveling in disguise on a journey to ask for the hand of the lovely Princess Iome of Sylvarresta. Armed with his gifts of strength and perception, the prince and his bodyguard stop at a local tavern, where they spot a pair of assassins who have their sights set on Princess Iome's father. As they race to warn the king, they realize that more than the royal family is at risk—the very fate of the Earth is in jeopardy.

Thomas Covenant is a leper, a bitter and solitary pariah who is mystically transported to another Earth where time moves differently than ours, one in which magic takes many forms. The Land is threatened by many evils, the most immediate of which is a maddened Cavewight whose subterranean excavations have unearthed the ancient and puissant Staff of Law. More dangerous to the free people of the Land is the Gray Slayer, Lord Foul, the Despiser, who intends to destroy the actual foundations of the Earth that he might wage war against the universe’s creator.