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.

Harry August is on his deathbed. Again. No matter what he does or the decisions he makes, when death comes, Harry always returns to where he began, a child with all the knowledge of a life he has already lived a dozen times before. Nothing ever changes. Until now. As Harry nears the end of his 11th life, a little girl appears at his bedside. "I nearly missed you, Doctor August", she says. "I need to send a message". This is the story of what Harry does next, and what he did before, and how he tries to save a past he cannot change and a future he cannot allow.

Reclusive college student Jonathan Tibbs wakes in a pool of blood, not a scratch on him. His life is about to undergo a massive shift. A violent and merciless otherworldly enemy unleashes slaughter in the streets, calling out in a language only he understands. And it is seeking its challenger. In order to defeat the threat, Jonathan must become a temporal weapon...while remaining completely anonymous. Unfortunately, harnessing off-world powers has its own special challenges...

The human race is all but extinct after a war with Partials - engineered organic beings identical to humans - has decimated the population. Reduced to only tens of thousands by RM, a weaponized virus to which only a fraction of humanity is immune, the survivors in North America have huddled together on Long Island while the Partials have mysteriously retreated. The threat of the Partials is still imminent, but, worse, no baby has been born immune to RM in more than a decade. Our time is running out.

Earth is at war. Portals are opening across the planet and bringing creatures known as Outsiders. Their only desire is to eat, leaving a trail of destruction in their path. The only people who can stop them are the Defenders - led by Gareth Walker - who can open portals of their own to target the Outsiders in minutes. Gareth's only advantage is an ability to see glimpses of his future.

Sanah would do anything to protect her little sister, even if it means taking refuge with ruthless pirates. But the psychically talented pirates terrorizing Commonwealth space are not quite the monsters she has been led to believe. When Sanah's empathic gift shows her the truth behind the stories, she is no longer certain who the villains are in her world.

Just outside Los Angeles, a prisoner hidden away for 70 years sits up, gets off the bed and disappears through a solid wall. In Australia, a magician impresses audiences by producing real elephants. Nobody realizes it's not an illusion. Across the world, individuals and organizations with supernatural power suddenly detect the presence of something even they can't understand. At the center of it all, Seb Varden, a 32-year old musician with a secret in his past, slits his wrists, is shot dead and run over on the freeway.

Will Stark is a self-made multibillionaire, happily married, and a proud father. He arrives home to find his house destroyed and his family murdered and is himself rescued from certain death by a mysterious trio. His rescuers are part of a splinter faction of a centuries-old secret society that has developed incredible technological advances and unlocked the method to release humanity's innate potential. Will was mistakenly believed to be a key dissident and fugitive, on the run from the primary group, known as the Aliomenti.

His perfect life in its late autumn years, Bob Johnson is offered the chance of using a prototype technology to traverse gateways into alternate realities. A chance to change the course of history and possibly the nature of certain people. Bob seizes the opportunity to rescue his soul and get revenge on those who are trying ruin everything he cherishes. His reality will never be the same again.

The best science fiction scrutinizes our culture and politics, examines the limits of the human condition, and zooms across galaxies at faster-than-light speeds, moving from the very near future to the far-flung worlds of tomorrow in the space of a single sentence. Neil Clarke has selected the short science fiction (and only science fiction) best representing the previous year's writing, showcasing the talent, variety, and awesome "sensawunda" that the genre has to offer.

He'd had so many names over the centuries, so many new identities that he could scarcely remember who he had originally been. Now his name was Daetrin, a name given by the alien conquerors of humankind, the Tyr. Three hundred years had passed since the Tyr conquered the people of Earth as they had previously overcome numerous races throughout the galaxy.

Whenever we envision a world without war, without prisons, without capitalism, we are producing speculative fiction. Organizers and activists envision and try to create such worlds all the time. Walidah Imarisha and adrienne maree brown have brought 20 of them together in the first anthology of short stories to explore the connections between radical speculative fiction and movements for social change.

Shaun and Georgia Mason got out. That's the story people tell, anyway. They told the truth and they lived happily ever after, somewhere in the wilds of Canada. But running away is complicated, and when circumstances force them to return to what they left behind, they'll have to face the consequences of their own actions...and the actions of others.

It is 500 years ago. A group of Spanish conquistadors searching for gold, led by a young and brilliant commander named Simon De Oliveras, land in the New World. What they find in this uncharted land is a treasure far more valuable: the Fountain of Youth. The Spaniards slaughter the Uzita, the Native American tribe who guard the precious waters that will keep the conquistadors young for centuries. But one escapes: Shako, the chief's fierce and beautiful daughter, who swears to avenge her people - a blood oath that spans more than five centuries.

For decades, The Year's Best Science Fiction has been the most widely read short science fiction anthology of its kind. Now, after 35 annual collections comes the ultimate in science fiction anthologies. In The Very Best of the Best, legendary editor Gardner Dozois selects the finest short stories for this landmark collection, including short fiction from authors such as Charles Stross, Michael Swanwick, Nancy Kress, Greg Egan, Stephen Baxter, Pat Cadigan, and any many more.

Under the benevolent leadership of the League of Peoples, there is no war, little crime, and life is sacred...unless you're an Explorer. The ugly, the flawed, the misfit, the deformed, they are the unwanted, flung to the farthest corners of the galaxy to investigate hostile planets and strange, vicious creatures. Out there, there are a thousand different - and terrible - ways to die.

Will Stark is a self-made multibillionaire, happily married, and a proud father. He arrives home to find his house destroyed and his family murdered and is himself rescued from certain death by a mysterious trio. His rescuers are part of a splinter faction of a centuries-old secret society that has developed incredible technological advances and unlocked the method to release humanity's innate potential. Will was mistakenly believed to be a key dissident and fugitive, on the run from the primary group, known as the Aliomenti.

After America’s Second Civil War, the Pro-Choice and Pro-Life armies came to an agreement. According to their Bill of Life, human life may not be terminated from the moment of conception until the age of thirteen. But between the ages of thirteen and eighteen, the child may be gotten rid of by their parent through a process called “unwinding.”

John Wayne Cleaver is dangerous, and he knows it. He's obsessed with serial killers, but really doesn't want to become one. So for his own sake, and the safety of those around him, he lives by rigid rules he's written for himself, practicing normal life as if it were a private religion that could save him from damnation. Dead bodies are normal to John. They don't demand or expect the empathy he's unable to offer. Perhaps that's what gives him the objectivity to recognize that there's something different about the body the police have just found behind the Wash-n-Dry Laundromat - and to appreciate what that difference means.

Without warning, something has gone terribly awry. In the remote and unnoticed places of the world, small pockets of death begin occurring. As the initially isolated extinctions spread, the world's eyes focus on this unimaginable horror and chaos. Out of the ecological imbalance, something new and extraordinary is evolving and surviving to fill the voids left by these extinctions. Evolution is operating in ways no one could have expected, and environmental damage may be the catalyst.

For generations, girls known as Spinsters have been called by Arras' Manipulation Services to work the looms and control what people eat, where they live, how many children they have, and even when they die. Gifted with the unusual ability to weave time with matter, 16-year-old Adelice Lewys is exactly what the Guild is looking for, and in the world of Arras, being chosen as a Spinster is everything a girl could want. It means privilege, eternal beauty, and being something other than a secretary. But Adelice isn’t interested.

Niblock House is a rising executive at General Technics, one of a few all-powerful corporations. His work is leading General Technics to the forefront of global domination, both in the marketplace and politically - it's about to take over a country in Africa. Donald Hogan is his roommate, a seemingly sheepish bookworm. But Hogan is a spy, and he's about to discover a breakthrough in genetic engineering that will change the world...and kill him. Society is squeezed into hive-living madness by god-like mega computers and mass-marketed psychedelic drugs.

The vendetta in space had started centuries before "Mouse" Storm was born, with his grandfather's raid on the planet Prefactlas, the bloodbath that freed the human slaves from their Sangaree masters. But one Sangaree survived--the young Norborn heir, the man who swore vengeance on the Storm family and their soldiers,in a carefully mapped plot that would take generations to fulfill. Now Mouse's father, Gneaus, must fight for an El Dorado of wealth on the burning half of the planet Blackworld.

Four years ago, a bomb destroyed part of the dome protecting Armstrong, the largest city on the Moon. Now, as the city celebrates its survival with an event it calls Anniversary Day, a larger threat looms - one that begins with the murder of the mayor, and spreads across the moon itself.

Humans beware. As the robotic revolution continues to creep into our lives, it brings with it an impending sense of doom. What horrifying scenarios might unfold if our technology were to go awry? From self-aware robotic toys to intelligent machines violently malfunctioning, this anthology brings to life the half-formed questions and fears we all have about the increasing presence of robots in our lives.

Investigative reporter Andrew Worth turns down a documentary on a mysterious new mental illness - "Distress," or acute clinical anxiety syndrome, for another assignment. He's on his way to the artificial island of Stateless, where the world's top physicists are gathering to decide on a new TOE, or Theory of Everything, to replace Einstein's outmoded legacy.

Convicted criminal James Griffin-Mars is no one's hero. In his time, Earth is a toxic, abandoned world, and humans have fled into the outer solar system to survive, eking out a fragile, doomed existence among the other planets and their moons. Those responsible for delaying humanity's demise believe time travel holds the key, and they have identified James, troubled though he is, as one of a select and expendable few ideally suited for the most dangerous job in history.

They are coming. The countdown has begun. First visible only as blips on a telescope image, the discovery of objects approaching from Jupiter's orbit immediately sets humanity on edge. NASA doesn't even bother to deny the alien ships' existence. The popular Astral space app (broadcasting from the far side of the moon and accessible by anyone with Internet) has already shown the populace what is coming.

The village of Saint-Ferdinand has all the trappings of a quiet life. Though if an out-of-towner stopped in, they would notice one unusual thing - a cemetery far too large and much too full for such a small town, lined with the victims of the Saint-Ferdinand Killer, who has eluded police for nearly two decades. It's not until after Inspector Stephen Crowley finally catches the killer that the town discovers even darker forces are at play.

The Earth has been invaded by the Illyri, a beautiful, civilized, yet ruthless alien race. Humanity has been conquered, but still it fights the invaders. The Resistance grows stronger, for it is the young people of Earth who battle the Illyri.