The sound came swiftly nearer, rising in pitch and swelling in volume. Then it broke through the clouds, tall and black and beautifully deadly, the Gern battle cruiser, come to seek them out and destroy them. Humbolt dropped inside the stockade, exulting. For two hundred years his people had been waiting for the chance to fight the mighty Gern Empire with bows and arrows against blasters and bombs!

It began with gold that had once belonged to Montezuma. Stolen and cached in a church in Mexico, it was recovered by two army officers who fled north for the French settlements. Along the way one stabbed the other to death. The remaining officer was eventually killed by Plains Indians, but he buried the treasure just before he died. Now Ronan Chantry, a handful of trappers, and an Irish girl whose father was killed after telling her a few vague landmarks are searching for the lost treasure. But they are not alone.

Out of the Silent Planet is the first novel of the Cosmic Trilogy, considered to be C.S. Lewis' chief contribution to the science fiction genre.

The Overlords appeared suddenly over every city - intellectually, technologically, and militarily superior to humankind. Benevolent, they made few demands: unify earth, eliminate poverty, and end war. With little rebellion, humankind agreed, and a golden age began.

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.

Prepare to meet the wicked progeny of the master of modern horror. In Lovecraft's Monsters, H. P. Lovecraft's most famous creations--Cthulhu, Shoggoths, Deep Ones, Elder Things, Yog-Sothoth, and more--appear in all their terrifying glory. Each story is a gripping new take on a classic Lovecraftian creature. Contributors include such literary luminaries as Neil Gaiman, Joe R. Lansdale, Caitlin R. Kiernan, Karl Edward Wagner, Elizabeth Bear, and Nick Mamatas.

From early work like "Rescue Party" and "The Lion of Comarre", through classic stories including "The Star", "Earthlight", "The Nine Billion Names of God", and "The Sentinel" (kernel of the later novel and movie 2001: A Space Odyssey), all the way to later work like "A Meeting with Medusa" and "The Hammer of God", this comprehensive short story collection encapsulates one of the great science fiction careers of all time.

The Ministry for the Future is a masterpiece of the imagination, using fictional eyewitness accounts to tell the story of how climate change will affect us all. Its setting is not a desolate, post-apocalyptic world, but a future that is almost upon us - and in which we might just overcome the extraordinary challenges we face.

After years of searching for the next Avatar, the four nations have found peace with Avatar Yun - until Kyoshi, Yun’s friend and servant, demonstrates remarkable bending abilities herself. With the identity of the true Avatar at stake, Kyoshi and her fiery friend Rangi flee the Avatar mansion and find supporters in the daofei - outlaws living in the shadows of the Earth Kingdom. But while Kyoshi, Rangi, and their daofei friends face off against underworld rivals, those who seek to control the Avatar draw close.

Sir Hubert Wilkins is one of the most remarkable Australians who ever lived. The son of pioneer pastoralists in South Australia, Hubert studied engineering before moving on to photography, then sailing for England and a job producing films with the Gaumont Film Co. Brave and bold, he became a polar expeditioner, a brilliant war photographer, a spy in the Soviet Union, a pioneering aviator-navigator, a death-defying submariner - all while being an explorer and chronicler of the planet and its life forms that would do Vasco da Gama and Sir David Attenborough proud.

Four years ago, two girls went looking for monsters on Bodmin Moor. Only one came back. Lee thought she'd lost Mal, but now she's miraculously returned. But what happened that day on the moors? And where has she been all this time? Mal's reappearance hasn't gone unnoticed by MI5 officers either, and Lee isn't the only one with questions. Julian Sabreur is investigating an attack on top physicist Kay Amal Khan. This leads Julian to clash with agents of an unknown power - and they may or may not be human.

From stories about time-traveling assassins, to Black Mirror-esque tales of cryptocurrency and internet trolling, to heartbreaking narratives of parent-child relationships, The Hidden Girl and Other Stories is a far-reaching work that explores topical themes from the present and a visionary look at humanity’s future. This collection includes a selection of Ken Liu’s speculative-fiction stories over the past five years - 17 of his best - plus a new novelette.

After a mysterious global event known only as “The Change”, six strangers wake up in an underground research facility where they learn that they’re part of the Extinction Trials - a scientific experiment to restart the human race. But the Extinction Trials harbors a very big secret. And so does the world outside.

The atomic submarine Dolphin has impossible orders: to sail beneath the ice floes of the Arctic Ocean to locate and rescue the men of weather station Zebra, gutted by fire and drifting with the ice pack somewhere north of the Arctic Circle. But the orders do not say what the Dolphin will find if she succeeds - that the fire at Ice Station Zebra was sabotage and that one of the survivors is a killer....

Who controls reality? And how? Ask the timedivers who ride the paths of time, manipulate cultures, lift and cast down civilizations in their corner of the galaxy. They are the Temporal Guard at Quest, the single city of the Immortals of Query, that hidden planet circling a very ordinary yellow sun in a very ordinary galaxy. This is the story of the timediver Loki, and of the unending war for control of reality in that galaxy.

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.

Late in the 21st century, Earth receives what looks like an urgent plea for help from planet Proxima Centauri b in the closest star system to the Sun. Astrophysicists suspect a massive solar flare is about to destroy this heretofore-unknown civilization. Earth's space programs are unequipped to help, but an unscrupulous Russian billionaire launches a secret and highly-specialized spaceship to Proxima b, over four light-years away.

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!

Two hundred years after the Forbidding was broken, Santhenar is locked in war with the lyrinx - intelligent, winged predators who will do anything to gain their own world. Despite the development of battle clankers and mastery of the crystals that power them, humanity is losing. Tiaan, a lonely crystal worker in a clanker manufactory, is experimenting with an entirely new kind of crystal when she begins to have extraordinary visions.

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.

Welcome to the astounding world of Predator Cities! Emerging from its hiding place in the hills, the great Traction City is chasing a terrified little town across the wastelands. Soon, London will feed. In the attack, Tom Natsworthy is flung from the speeding city with a murderous scar-faced girl. They must run for their lives through the wreckage - and face a terrifying new weapon that threatens the future of the world.

Everyone in Vallen knows that ice wolves and scorch dragons are sworn enemies who live deeply separate lives. So when 12-year-old orphan Anders takes one elemental form and his twin sister, Rayna, takes another, he wonders whether they are even related. Family or not, Rayna is Anders’s only true friend. She’s nothing like the brutal, cruel dragons who claimed her as one of their own and stole her away. To rescue her, Anders must enlist at the foreboding Ulfar Academy, a school for young wolves that values loyalty to the pack above all else.

From the pen of one of the literary world’s finest explorers of the imagination, these classic tales of fantastical habitats and intrepid adventurers delve deep into every mysterious corner of planet Earth. Whether you’ve adventured with Verne before or are only just setting off on your maiden voyage, this collection encompasses the most extraordinary adventures the father of science fiction has to offer.

In the 23rd century, humanity has been hunted to the verge of extinction by an alien race. When an exploratory ship accidentally travels back in time to Viking-age Scandinavia, the human race is given a second chance. Pursued by the power-hungry King Harald, the four surviving crew members join a ragtag band of Vikings as they pillage their way across Europe. To save humanity, they must somehow return to the stars. Thus begins a decades-long effort to teach the Vikings to build a craft capable of reaching space - a ship that will come to be known as the Iron Dragon.

The atomic submarine Dolphin has impossible orders: to sail beneath the ice floes of the Arctic Ocean to locate and rescue the men of weather station Zebra, gutted by fire and drifting with the ice pack somewhere north of the Arctic Circle. But the orders do not say what the Dolphin will find if she succeeds - that the fire at Ice Station Zebra was sabotage and that one of the survivors is a killer....

The Overlords appeared suddenly over every city - intellectually, technologically, and militarily superior to humankind. Benevolent, they made few demands: unify earth, eliminate poverty, and end war. With little rebellion, humankind agreed, and a golden age began.

John O'Ryan is not a god...not exactly. He is an eternal warrior destined to combat the Dark Lord through all time for dominion of the Earth. Follow him, servant of a great race, as he battles his enemy down the halls of time, from the caves of our ancestors to the final confrontation under the hammer of nuclear annihilation.

Under the guidance of James Calvert this nuclear submarine had navigated through polar ice packs, braved atrociously cold conditions, and broken through layers of thick ice to arrive at their destination; the northernmost point of the world. This mission, however, was not just about completing a seemingly impossibly feat of Arctic exploration. It also had huge implications for military strategy during the height of the Cold War.

Conducting a strange and urgent experiment on the Arctic icefield, a team of scientists has planted sixty powerful explosive charges that will detonate at midnight. Before they can withdraw to the safety of their base camp, a shattering tidal wave breaks loose the ice on which they are working. Now they are hopelessly marooned on an iceberg during a violent winter storm. The bombs beneath them are buried irretrievably deep...and ticking. And they discover that one of them is an assassin with a mission of his own.

When the leader of the ruthless Technic League calls in a favor, the mild-mannered alchemist Alaeron has no choice but to face a life he thought he'd left behind long ago. Accompanied by his only friend, a street-savvy thief named Skiver, Alaeron must head north into Numeria, a land where brilliant and evil arcanists rule over the local barbarian tribes with technology looted from a crashed spaceship.