In the near future of Robert Charles Wilson's Last Year, the technology exists to open doorways into the past - but not our past, not exactly. Each "past" is effectively an alternate world, identical to ours but only up to the date on which we access it. And a given "past" can be reached only once. After a passageway is open, it's the only road to that particular past; once closed, it can't be reopened.

Cassie Klyne, 19 years old, lives in the United States in the year 2015 - but it's not our United States, and it's not our 2015. Cassies world has been at peace since the Great Armistice of 1918. There was no World War II, no Great Depression. Poverty is declining, prosperity is increasing everywhere; social instability is rare. But Cassie knows the world isn't what it seems. Her parents were part of a group who gradually discovered the awful truth: That for decades - back to the dawn of radio communications - human progress has been interfered with, made more peaceful and benign, by an extraterrestrial entity.

For Oxford student Kivrin, traveling back to the 14th century is more than the culmination of her studies - it's the chance for a wonderful adventure. For Dunworthy, her mentor, it is cause for intense worry about the thousands of things that could go wrong.

Three remarkable journeys into the stars: Worlds of Exile and Illusion includes Rocannon's World, Planet of Exile, and City of Illusions. These three spacefaring adventures mark the beginning of grand master Ursula K. Le Guin’s remarkable career. Set in the same universe as Le Guin’s groundbreaking classics The Left Hand of Darkness and The Dispossessed, these first three books of the celebrated Hainish series follow travelers of many worlds and civilizations in the depths of space.

What could be more commonplace than grass or a world covered over all its surface with a wind-whipped ocean of grass? But the planet Grass conceals horrifying secrets within its endless pastures. And as an incurable plague attacks all inhabited planets but this one, the prairie-like Grass begins to reveal these secrets - and nothing will ever be the same again.

A human diplomat creates an interstellar incident when he kills an alien diplomat in a most unusual way. To avoid war, Earth's government must find an equally unusual object: A type of sheep ("The Android's Dream"), used in the alien race's coronation ceremony. To find the sheep, the government turns to Harry Creek, ex-cop, war hero and hacker extraordinaire.

Neanderthals have developed a radically different civilization on a parallel Earth. A Neanderthal physicist, Ponter Boddit, accidentally passes from his universe into a Canadian underground research facility. Fortunately, a team of human scientists, including expert paleo-anthropologist Mary Vaughan, promptly identifies and warmly receives Ponter. Solving the language problem and much else is a mini-computer, called a Companion, implanted in the brain of every Neanderthal. But it can't help his fellow scientist back in his world, Adikor Huld, when the authorities charge Adikor with his murder.

William Mandella is a soldier in Earth's elite brigade. As the war against the Taurans sends him from galaxy to galaxy, he learns to use protective body shells and sophisticated weapons. He adapts to the cultures and terrains of distant outposts. But with each month in space, years are passing on Earth. Where will he call home when (and if) the Forever War ends?

The world outside has grown toxic, the view of it limited, talk of it forbidden. The remnants of humanity live underground in a single silo. But there are always those who hope, who dream. These are the dangerous people, the residents who infect others with their optimism. Their punishment is simple. They are given the very thing they want: They are allowed to go outside.

Tesla Crane, one of the richest women in the world, is on her honeymoon on an interplanetary space liner, cruising between Earth and Mars. She’s traveling incognito and is reveling in her anonymity. Then someone is murdered and her husband is named as the prime suspect. To save him from the frame-up, Tesla will risk exposure and face demons from her past. Even though doing so might make her the next victim.

Eleven-year-old George Washington Black—or Wash—a field slave on a Barbados sugar plantation, is initially terrified when he is chosen as the manservant of his master’s brother. To his surprise, however, the eccentric Christopher Wilde turns out to be a naturalist, explorer, inventor, and abolitionist. Soon Wash is initiated into a world where a flying machine can carry a man across the sky, where even a boy born in chains may embrace a life of dignity and meaning, and where two people, separated by an impossible divide, can begin to see each other as human.

Winner of the 1973 National Book Award, Gravity's Rainbow is a postmodern epic, a work as exhaustively significant to the second half of the 20th century as Joyce's Ulysses was to the first. Its sprawling, encyclopedic narrative and penetrating analysis of the impact of technology on society make it an intellectual tour de force.

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.

Nobody remembers how the Causality War started. Really, there's no-one to remember and nothing for them to remember if there were; that's sort of the point. We were time warriors and we broke time. I was the one who ended it. Ended the fighting, tidied up the damage as much as I could. Then I came here, to the end of it all, and gave myself a mission: to never let it happen again.

They're out there...waiting...watching. Unseen by normal eyes, but all too visible to Slim MacKenzie, a young man blessed - or cursed - by Twilight Eyes.

My father had an expression for a thing that turned out bad. He'd say it had gone west. But going west always sounded pretty good to me. After all, westwards is the path of the sun. And through as much history as I know of, people have moved west to settle and find freedom. But our world had gone north, truly gone north, and just how far north I was beginning to learn.

They're out there...waiting...watching. Unseen by normal eyes, but all too visible to Slim MacKenzie, a young man blessed - or cursed - by Twilight Eyes.

With tales from Laird Barron, Stephen King, John Langan, Peter Straub, and many others, and featuring Datlow’s comprehensive overview of the year in horror, now, more than ever, The Best Horror of the Year provides the petrifying horror fiction readers have come to expect - and enjoy.

Winner of the 1973 National Book Award, Gravity's Rainbow is a postmodern epic, a work as exhaustively significant to the second half of the 20th century as Joyce's Ulysses was to the first. Its sprawling, encyclopedic narrative and penetrating analysis of the impact of technology on society make it an intellectual tour de force.

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.

The best stories pull readers in and keep them turning the pages, eager to discover more—to find the answer to the question: "And then what happened?" The true hallmark of great literature is great imagination, and as Neil Gaiman and Al Sarrantonio prove with this outstanding collection, when it comes to great fiction, all genres are equal.

Adventurer and author Robert Cornuke delivers an archaeological thriller that crosses the globe and spans two centuries. With these hopeful words, a dying Confederate lad bequeaths his Bible to the Union soldier who just shot him: "Be God's messenger as I have been." And so begins the journey of Elijah Bell's cherished Bible as it travels the world, transforming hearts wherever it goes.

Dr. Warthrop is a scientist who tracks and studies real-life monsters. Assisted by his 12-year-old apprentice, Will Henry, Dr. Warthrop discovers a pod of Anthropophagi and launches a hunt to destroy the foul beasts.

The powerful city-state of Saraykeht is a bastion of peace and culture, a major center of commerce and trade. Its economy depends on the power of the captive spirit Seedless, an and at bound to the poet-sorcerer Heshai for life. Enter the Galts, an empire committed to laying waste to all lands with their ferocious army. Saraykeht has always been too strong for the Galts to attack, but now they see an opportunity.

Hot on the heels of Gardner Dozois's acclaimed anthology The Book of Swords comes this companion volume devoted to magic. How could it be otherwise? For every Frodo, there is a Gandalf... and a Saruman. For every Dorothy, a Glinda... and a Wicked Witch of the West. What would Harry Potter be without Albus Dumbledore... and Severus Snape? Figures of wisdom and power, possessing arcane, often forbidden knowledge, wizards and sorcerers are shaped - or misshaped - by the potent magic they seek to wield.

Among the Northern Cheyenne of the Great Plains lives a boy named Winterfox, whose family has fought monsters since the days of the Spanish conquistadors. In the aftermath of Westward Expansion, he has become the sole heir to their blood feud against the Beast. Winterfox comes of age in the long shadows of the American frontier, a time when magic has not yet passed into myth. It is a place where the mundane and fantastic still walk side by side, and the warrior society of the Rédo’osnin Dog Men will be remembered a little while longer.

It only takes a couple of visits to convince Dr Elizabeth Bancroft that Adam Hunter is not just having bad dreams. He's a child possessed.His father is desperate: adamant that his son's affliction is the result of a curse he incurred in the depths of the Amazon, where a badly misguided military operation ended in a terrifying and macabre encounter.

In Ghostwalkers, a gun-for-hire, literally haunted by his bloody past, comes to the struggling town of Paradise Falls, where he becomes embroiled in a deadly conflict between the besieged community and a diabolically brilliant alchemist who is building terrible new weapons of mass destruction...and an army of the living dead!

The world is only half made. What exists has been carved out amidst a war between two rival factions: the Line, paving the world with industry and claiming its residents as slaves; and the Gun, a cult of terror and violence that cripples the population with fear. The only hope at stopping them has seemingly disappeared - the Red Republic that once battled the Gun and the Line, and almost won. Now they're just a myth, a bedtime story parents tell their children, of hope.

The crime of the century begins without a hitch. On July 5th, 2070, as it's about to be launched, the starship Alabama is hijacked - by her captain and crew. In defiance of the repressive government of The United Republic of Earth, they replace her handpicked passengers with political dissidents and their families. These become Earth's first pioneers in the exploration of space...