It's 200,000 years in the future. Humanity is extinct, the ruins of its cities fossilised beneath sediments deposited by rising oceans. After a civilisation of intelligent bears collapsed when a plague turned them into crazed killers, their former slaves, descendants of raccoons who call themselves the people and worship Mother Earth, have driven the last of the former masters northward and built a new civilisation.

The sun is bloated, diseased, dying perhaps. Beneath its baneful light, Shadrapar, last of all cities, harbours fewer than 100,000 human souls. Built on the ruins of countless civilisations, Shadrapar is a museum, a midden, an asylum, a prison on a world that is ever more alien to humanity. Bearing witness to the desperate struggle for existence between life old and new is Stefan Advani: rebel, outlaw, prisoner, survivor.

Nine hundred thousand years ago, something annihilated the Amarantin civilization just as it was on the verge of discovering space flight. Now one scientist, Dan Sylveste, will stop at nothing to solve the Amarantin riddle before ancient history repeats itself. With no other resources at his disposal, Sylveste forges a dangerous alliance with the cyborg crew of the starship Nostalgia for Infinity. But as he closes in on the secret, a killer closes in on him because the Amarantin were destroyed for a reason.

All Systems Red is the tense first science fiction adventure novella in Martha Wells' series The Murderbot Diaries. For fans of Westworld, Ex Machina, Ann Leckie's Imperial Raadch series, or Iain M. Banks' Culture novels. The main character is a deadly security droid that has bucked its restrictive programming and is balanced between contemplative self-discovery and an idle instinct to kill all humans.

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.

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.

Winner of the Nebula Award for Best Novel, Red Mars is the first book in Kim Stanley Robinson's best-selling trilogy. Red Mars is praised by scientists for its detailed visions of future technology. It is also hailed by authors and critics for its vivid characters and dramatic conflicts.

For centuries, the red planet has enticed the people of Earth. Now an international group of scientists has colonized Mars. Leaving Earth forever, these 100 people have traveled nine months to reach their new home. This is the remarkable story of the world they create - and the hidden power struggles of those who want to control it.

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.

The Western Front, 1916. Private Percy Blakeney wakes up. He is lying on fresh spring grass. He can hear birdsong and the wind in the leaves. Where have the mud, blood, and blasted landscape of no-man's-land gone? For that matter, where has Percy gone? Madison, Wisconsin, 2015. Police officer Monica Jansson is exploring the burned-out home of a reclusive - some say mad, others allege dangerous - scientist who seems to have vanished. Sifting through the wreckage, Jansson find a curious gadget.

Critically acclaimed author Alastair Reynolds holds a well-deserved place “among the leaders of the hard-science space opera renaissance." ( Publishers Weekly). In Blue Remembered Earth, Geoffrey Akinya wants nothing more than to study the elephants of the Amboseli basin. But when his space-explorer grandmother dies, secrets come to light and Geoffrey is dispatched to the Moon to protect the family name - and prevent an impending catastrophe.

After the world's governments collapsed, the corporations took control. Houston's Pulsystems has sent an expedition to the lost Martian colony of Frontera to search for survivors, but Reese, aging hero of the US space program, knows better. The colonists are not only alive; they have discovered a secret so devastating that the new rulers of Earth will stop at nothing to own it.

On June 30, 1908, an object fell from the sky, releasing more energy than a thousand Hiroshima bombs. A Siberian forest was flattened, but the strike left no significant crater. The anomaly came to be known as the Tunguska Event, and scientists have never agreed whether it was the largest meteor strike in recorded history - or something else. Alien artifacts have been uncovered since the 1908 event, and a new star drive is discovered.

Beyond the Aquila Rift: It's shorthand for the trip no one ever hopes to make by accident. The one that will screw up the rest of your life, the one that creates the ghosts you see haunting the shadows of company bars across the whole Bubble. Men and women ripped out of time, cut adrift from families and lovers by an accident of an alien technology we use but rarely comprehend.

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.

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.