In the 1800s, a sailing ship crashes off the coast of Norway. In the 1900s, a Zepellin explores an icy canyon in Antarctica. In the far future, a spaceship sets out for an alien artifact. Each excursion goes horribly wrong. And on every journey, Dr. Silas Coade is the physician, but only Silas seems to realize that these events keep repeating themselves. And it's up to him to figure out why and how. And how to stop it all from happening again.

On a little-known planet, Archmage Varic Vallenar casts a grand spell to empower himself with the magical abilities of his alternate selves. The ritual works too well, granting Varic not only the magic but also the memories from six lives. Including their gruesome deaths. Now, Varic has power greater than any wizard in galactic history, but he knows that won’t be enough. The enemies he faced in those alternate lives were apocalyptic in scale. Terrors of technology and magic. Nothing that he, or anyone, can defeat.

After a rough break up, Wyatt moves to New York City, eager to prove himself while working on Wall Street. When he’s asked to visit the father of his ex-girlfriend, a billionaire tycoon, his fate is sealed. The revolutionary company, Nu-En, launches a radical innovation, an energy that will allow every person on the planet access to power. Only it doesn’t perform as anticipated. Harnessing the ocean has consequences, and highly dangerous creatures emerge from the depths. Soon, the Earth is fracturing, and the world will never be the same.

Birdie Binkowitz is just a little bitter. As a young actress, she was the toast of Hollywood, definitely destined for greatness. Then the dragons had to rise up from their thousand-year slumber, take over Earth and ruin everything. Twenty years later, Birdie is living her worst life in her hometown of Tuscaloosa, Alabama, working at her father's Seed and Feed (and Bagels). Then, a mysterious dragon appears in front of the store seeking her help. He’s got a bone to pick with his fellow dragons–and he wants to hit them where it hurts.

Legends uncovers the origin of the Ronin and the final breaking. Kail, leader of the Ronin and threader of wind, along with his eight elemental brothers and sisters have been betrayed. On the cusp of defeat, they go to the Hall of Winds, to the council chamber to discover who in their inner circle is the cursed traitor...Only to discover the darkness is much closer than they ever imagined.

Most of the time, Noble, Argus, Harlan and Tora are like any other teenagers, prowling the halls of their high school in search of new crushes and true friendships, all while trying to keep up their grades. Except these teens are anything but ordinary… Discovered as wolf cubs in the wilderness of Redstone Forest, the pack knows their adoptive parents are the only humans they can trust with their shape-shifting secret. So whenever the siblings want to wolf around, they race to the forest to run—and relish their special bond.

A corporate aristocracy descended from Africa rules a colony on a distant planet. Life here is easy—for the rarified and privileged few. The aristocrats enjoy a powerful cybernetic technology that extends their life spans and ensures their prosperity. Those who serve them suffer under a heavy hand. But within this ruthless society are agents of hope and change. In a secret underwater laboratory, a separatist cult has created a threat to the aristocracy. The Primes are highly intelligent, manipulative products of genetic engineering, designed to lead a rebellion.

Many years ago, Sir Aelfric and his nine companions saved the world, seizing the Dark Lord's cursed weapons, along with his dread city of Necrad. That was the easy part. Now, when Aelfric—keeper of the cursed sword Spellbreaker—learns of a new and terrifying threat, he seeks the nine heroes once again. But they are wandering adventurers no longer. Yesterday's eager heroes are today's weary leaders—and some have turned to the darkness, becoming monsters themselves. If there's one thing Aelfric knows, it's slaying monsters. Even if they used to be his friends.

Citadel is the only human city on the alien planet Edalide, ruled by the biweekly tides that bring both deadly danger and much-needed resources. But the drowning waters, constant threat of starvation, and eternal cold aren’t the most dangerous challenge. For the Flooded Forest is ruled by demons: monsters from Hell sent by their vengeful god as penance for their ancestors’ rebellion. To save their souls and return to their former glory, Citadel must kill every single one. Or so they believe.

Locked deep in the palace dungeon for killing her abuser, Yelena knows she’ll never be free again. The laws in Ixia are strict, and murderers must be executed, no matter the reason. But just as she’s resigned herself to her fate, she’s offered an extraordinary reprieve.

Alec works in the Detroit Overseer-factories, building a mysterious alien device. When three strangers appear, he's provided an opportunity to escape after years of servitude. Cole, a Freeborn loner, encounters Lina after her village is destroyed by the alien Occupation. Together, they make the arduous journey to a fabled safe-zone, trying to stay one step ahead of the enemy drones on their trail. Dex is a Hunter, working for the Occupation to track down escaped factory slaves, or Roamers, at all costs. But his latest hunt uncovers a massive secret.

Zac was alone in the middle of the forest when the world changed... The whole planet was introduced to the multiverse by an unfeeling System... or God. A universe where an endless number of races and civilizations fought for power and dominion. Zac finds himself stuck in the wilderness surrounded by deadly beasts, demons, and worse. Alone, lost and without answers, he must find the means to survive and get stronger in this new cut-throat reality.

In the wilds of a jungle planet, the Legion fights in brutal combat as Republic marines fly their SLICS from one tragedy to the next. H292, a repurposed warbot, shows the heart of a hero as he wades into the battle not to destroy - but to save.

The mission is simple. Escort an emissary to an intergalactic peace summit. Try not to get in the way. Lt. Magnus and his 79th Recon Team have certainly handled worse, after all. But when an explosion rocks the tower and sends everyone into a panic, Magnus and his asset find themselves cut off from the rest of the team. Worse still, a dying alien chieftain gives them a priceless drive of intel, marking them for death. The mission has officially changed. With enemies on all sides, Magnus must do everything in his power to protect the emissary and escape the tower.

alaxy. Humanity was slowly making their way out from Earth to the planets and asteroids of the Solar System, exploring and mining and founding colonies. The mining ship El Cavador is far out from Earth, in the deeps of the Kuiper Belt, beyond Pluto. Other mining ships, and the families that live on them, are few and far between this far out. So when El Cavador's telescopes pick up a fast-moving object coming in-system, it's hard to know what to make of it. It's massive and moving at a significant fraction of the speed of light.

The Lucians have faltered in their fight against the cruel Ascendant overlord, Cef. Now, a handful of survivors from a failed liberation campaign have been called to a Final Challenge in a madman’s arena. For Rylan, Geeta, Scott and Aila, this may be their only opportunity to make peace with those they love. It will certainly be their last, best chance to save mankind from an endless cycle of genocidal slaughter.

Flying out of California’s sunny Rancho Bonita, Cordell Logan is a flight instructor and aspiring Buddhist whose attempt at a quiet(er) life is shattered when his ex-wife Savannah arrives on his doorstep. Her new husband—and Logan’s former comrade-in-arms—Arlo Echevarria, has been murdered and she needs his help.

"Rescue Party" was first published in the May 1946 issue of Astounding Science-Fiction.

Sir Arthur C. Clarke (1917-2008) is regarded as one of the most-influential science fiction writers of all time. He was named a Grand Master by the Science Fiction and Fantasy Writers of America, and was inducted into the Science Fiction and Fantasy Hall of Fame.

A mysterious convergence of natural disasters threatens to destroy life as we know it, and people across the United States are going missing. With no one left to investigate, Special Agent Kendra Baker takes the case, trying to solve the disappearances before she’s out of time. Among those abducted is Valeria Miller, the daughter of ex-Marine Corporal Andrew Miller, and he’ll stop at nothing to find her. With the help of an unstable conspiracy theorist, they find themselves on the trail of a reclusive billionaire who just might have all the answers.

Dr. Xin Rou is a Chinese researcher working at the IceCube neutrino experiment at the South Pole. On lucky days a single flash might signal the passage of a ghostly interstellar particle. Suddenly, IceCube’s entire array lights up. A million detectors at once. Which is impossible. The Antarctic sky is clear and calm—but she is already running for the door.

Earth is a dying planet. To survive, humanity founds the Circuit, a string of colonies across the solar system, dedicated to mining resources vital to preserving what remains of mankind. Here there are no heroes or villains, only those willing to do what's necessary to survive. The New Earth Tribunal, a powerful religious faction, has risen to rule the Circuit. They believe a Spirit within the Earth will one day appear and welcome humanity back home.

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.

First contact wasn’t peaceful. The Zodarks, brutal and unrelenting, tore into the Republic’s defenses. Armed with cunning and unquenchable bloodthirst, the four-armed warriors dominated over every adversary. Caught off guard as the Republic stumbled into an interstellar war it wasn’t ready to fight—against an adversary born from nightmares. Mankind clung to hope as it healed divisions, forged new alliances, and prepared for the war thrusted upon it.

After two brutal, bloody struggles for their very existence against implacable alien foes, humanity is victorious, but not at peace. As distrust and accusations consume the political discourse between the two major factions, the Eastern Star Alliance military has already begun executing small raiding missions into United Terran Federation space. The Federation fleet, still reeling from the last war, is in no shape to try and protect its own borders.

An interstellar colony ship on Earth prepares for take-off. Before reaching their first stop—Proxima b Centauri—they are awoken from their cryo pods early, only to learn there's been an alien invasion on Earth. But it's too late. Can the crew find a safe refuge from the invaders and track down colonists from other ships?

When a piece of the crown prince's soul is stolen by a traitorous warlock, disgraced knight Torsten Unger makes it his sworn duty to get it back and save the last hope for the kingdom. But he can't do it alone. Self-proclaimed "World's Greatest Thief" Whitney Fierstown sits in the castle dungeon, destined for the gallows until Torsten offers this choice: rot and die in a dank cell or join him on a dangerous expedition to put his skills to good use and earn his freedom.

We were outnumbered, outfought. Mankind was about to fall to the alien Flock. Our only chance was a desperate gamble, transforming Tier One SpecOps agents into deadly super soldiers. In the end, we won the war, but we lost the peace. The Flock surrendered and spent the next two hundred years making reparations, indentured to humanity, doing everything humans did not want to do. And the evolved super soldiers were consigned to an endless sleep. Ready if ever needed, but in time they became myths. Abandoned and forgotten.

TOP GUN instructor Colt Bancroft has just catapulted off the USS Abraham Lincoln, his F-35C Joint Strike Fighter trailing blue and yellow flame as he climbs into the night sky off the California coast. When he is sent to investigate a series of mysterious lights floating dangerously close to his aircraft carrier, disaster strikes. His jet becomes unresponsive as it rolls inverted and enters a nosedive aimed right at the aircraft carrier’s unsuspecting escort cruiser… What follows is a tale of heroism and betrayal, spycraft and suspense, and aerial combat against an unexpected adversary.

Physicist Philip Moray is having a good day. He’s chipping away at his big work project. The lunch in the cafeteria is at least edible. And he’s looking forward to his end-of-the-day drink and a soak in the hot tub. Then, a strange device turns up in his office. A piece of technology he has never seen before–and shouldn’t even exist. Suddenly, corpses start turning up, eco-activists go on the attack, random people suffer bizarre symptoms. And every time the authorities get a lead, it traces right back to Philip and his colleague, Celia Hunt.

More than two centuries after World War III poisoned the planet, the final bastion of humanity lives on massive airships circling the globe in search of a habitable area to call home. Aging and outdated, most of the ships plummeted back to Earth long ago. The only thing keeping the two surviving lifeboats in the sky are Hell Divers - men and women who risk their lives by skydiving to the surface to scavenge for parts the ships desperately need.