Drake, a retired police detective, receives a call in the dead of night from an alien-obsessed podcaster. He hastily departs for Montana the following morning. The phenomenon continues all over the globe. What are they? What do they mean? Britt is on assignment for a digital magazine when she encounters one of the Glass in a tragic boating accident, leaving her no choice but to follow the lead. Panic ensues as mysterious creatures are sighted.

In the darkest part of the solar system lies a wormhole. Nether. Astrophysicist Cammie Skoura has joined the first research team traveling to the Nether anomaly, eager to understand the mechanics of the wormhole and to explore its possibilities as a shortcut to Alpha Centauri. But another race of ancient beings has already been here—an impossibly long time ago—leaving remnants of their vast complexes and gigantic temples built for horrific beings beyond comprehension.

When a raid on an insurgent safehouse reveals a clue to decoding the world's most mysterious manuscript—and possibly a recipe for creating the ultimate weapon of mass destruction—Delta operator Jack Sigler must forge a new black ops team to avert catastrophe, a team of deadly warriors with dangerous secrets—the Chess Team.

Earth was destroyed on June 12, 2180. Lieutenant Selene Genji watched it happen. And only she can prevent it. Thrown forty years into the past, into a time before the Universal War began, Genji can only guess what to do to change the events that led to the death of all humanity. She has no way of knowing the long-term impacts of her actions and can only depend on her instincts.

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.

Jake Sullivan has cheated death: he's discarded his doomed biological body and copied his consciousness into an android form. The new Jake soon finds love, something that eluded him when he was encased in flesh: he falls for the android version of Karen, a woman rediscovering all the joys of life now that she too is no longer constrained by a worn-out body. Karen's son sues her, claiming that by uploading into an immortal body, she has done him out of his inheritance.

In Level Five, the debut near-future thriller by Nebula Award winner William Ledbetter, AIs battle for dominance, and nanotechnology is on the loose. And all that stands in the way of the coming apocalypse is a starry-eyed inventor who dreams of building a revolutionary new spacecraft and an intelligence agency desk jockey faced with the impossible choice of saving her daughter - or saving the world.

For centuries, mankind has searched for nonhuman civilizations in the cosmos. These lost alien societies have finally been discovered—but they were destroyed long ago. Devin Starn starts off as a lowly rock rat aboard Borag, a mining ship working the dangerous end of the asteroid belt. Slowly, he gains prestige and purpose. When an alien base is uncovered, however, he must risk everything to protect his ship and her crew. What wiped out all the civilizations that came before humanity?

In the serene backdrop of New Hampshire's Franconia Notch, Micah Taylor, an ex-Army Ranger, finds solace with his loyal golden retriever, Grover. Their peaceful existence is suddenly shattered when a first date with his old friend, Jess Bender, takes an unexpected turn. Bright lights descend from the sky, leading them into the dark woods and a shocking discovery: the Kylonari, an advanced alien species with a special connection to Micah, here on a quest to find "The Lost Tribe"—a colony that vanished millennia ago.

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.

Ryland Grace is the sole survivor on a desperate, last-chance mission - and if he fails, humanity and the Earth itself will perish. Except that right now, he doesn't know that. He can't even remember his own name, let alone the nature of his assignment or how to complete it. All he knows is that he's been asleep for a very, very long time. And he's just been awakened to find himself millions of miles from home, with nothing but two corpses for company.

It’s 1984, and life has changed beyond recognition. Airstrip One, formerly known as Great Britain, is a place where Big Brother is always watching, and nobody can hide. Except, perhaps, for Winston Smith. Whilst working at the Ministry of Truth, rewriting history, he secretly dreams of freedom. And in a world where love and sex are forbidden, where it’s hard to distinguish between friend and foe, he meets Julia and O’Brien and vows to rebel.

Six days ago, astronaut Mark Watney became one of the first people to walk on Mars. Now, he's sure he'll be the first person to die there. After a dust storm nearly kills him and forces his crew to evacuate while thinking him dead, Mark finds himself stranded and completely alone with no way to even signal Earth that he’s alive - and even if he could get word out, his supplies would be gone long before a rescue could arrive. But Mark isn't ready to give up yet.

Inheriting your uncle's supervillain business is more complicated than you might think. Particularly when you discover who's running the place. Charlie's life is going nowhere fast. A divorced substitute teacher living with his cat in a house his siblings want to sell, all he wants is to open a pub downtown, if only the bank will approve his loan. Then his long-lost uncle Jake dies and leaves his supervillain business (complete with island volcano lair) to Charlie. But becoming a supervillain isn't all giant laser death rays and lava pits.

Jazz Bashara is a criminal. Well, sort of. Life on Artemis, the first and only city on the moon, is tough if you're not a rich tourist or an eccentric billionaire. So smuggling in the occasional harmless bit of contraband barely counts, right? Not when you've got debts to pay and your job as a porter barely covers the rent. Everything changes when Jazz sees the chance to commit the perfect crime, with a reward too lucrative to turn down.

Chronicler Tsai Yini monitors the tachyon communication system, which transmits data faster than the speed of light. When classified results from an astrobiologist's research are leaked to her, she cannot believe what she reads. The report reveals that intelligent life forms exist on a tropical planet in the Gliese system. Their civilization is still in its infancy but revolves around an artifact of unknown origin that seems to influence their body chemistry.

In this Hugo-nominated novel, an alien walks into a museum and asks if he can see a paleontologist. But the arachnid ET hasn't come aboard a rowboat with the Pope and Stephen Hawking (although His Holiness does request an audience later). Landing at the Royal Ontario Museum in Toronto, the spacefarer, Hollus, asks to compare notes on mass extinctions with resident dino-scientist Thomas Jericho.

The Dervan Empire has at last triumphed over Volanus, putting the great city to the torch, its treasures looted, temples defiled, and fields sown with salt. What little remains of Volanus is scattered across the empire, its wealth plundered and its survivors sold into slavery. It is an absolute victory for the Dervans in every way but one. Hanuvar, last and greatest general of Volanus, still lives. He now travels the length of the Dervan Empire that conquered his homeland, driven by a singular purpose—to find what remains of his people who were carried into slavery across the empire.

In the darkest part of the solar system lies a wormhole. Nether. Astrophysicist Cammie Skoura has joined the first research team traveling to the Nether anomaly, eager to understand the mechanics of the wormhole and to explore its possibilities as a shortcut to Alpha Centauri. But another race of ancient beings has already been here—an impossibly long time ago—leaving remnants of their vast complexes and gigantic temples built for horrific beings beyond comprehension.

Experimental psychologist Jim Marchuk has developed a flawless technique for identifying the previously undetected psychopaths lurking everywhere in society. But while being cross-examined about his breakthrough in court, Jim is shocked to discover that he has lost his memories of six months of his life from 20 years previously - a dark time during which he himself committed heinous acts.

Thirty-eight years ago, Dr. Sarah Halifax earned worldwide fame by deciphering a radio transmission from an unknown intelligence reaching out from deep space. Now 87, Sarah receives news that, at long last, a new signal has been received, and her services are desperately needed once again.

For years, pilots who merely looked like soldiers were adequate. They filled the mechs. They filled roles. They supported Spann and his genetic offshoot of pure-blooded warriors known as the Superba. Spann's dream of absolute power ends with a single, crushing blow as a new enemy strikes at the Realm, leaving no survivors—followed by a mad dash to find fighters who can stand up in the old ways, using the mechs gifted to humanity by their oldest allies. Even in the midst of war, there is hope.

The Church of Armes of the Light has battled the forces of Darkness for as long as anyone can remember. The great prophecy has foretold that a band of misfits, led by a high priestess will defeat the Dark Lord Darvezian, armed with their wits, the blessing of the Light and an artifact stolen from the merciless Spider Queen. Their journey will be long, hard and fraught with danger. Allies will become enemies; enemies will become allies. And the Dark Lord will be waiting, always waiting…

When the research starship Galileo vanishes without a trace, the powers-that-be are quick to bury the incident, eager to prevent escalating tensions that could lead to war. As a former POW, Soren refuses to give the ship up for lost. His daughter is one of the missing. Taking matters into his own hands, Soren starts pulling strings and calling in favors, determined to launch a clandestine mission to bring Galileo home. When an old friend offers him a ship for the operation, he expects a rusty relic headed for the scrapyard.

The vast plains of South Dakota offer Tarin solace from both his dreams of an unknown past and the rumblings of a new global war. Yet a haunting melody plays over the stillness of the grasslands, a melody he cannot escape—one that seems hungry to force him to . . . remember. When a stranger dressed like a medieval traveler enters town, the already nervous community responds with alarm. Is this man there to cause trouble like the other newcomers—those who claim to be part of a government organization observing a new illness in the area?

Marya Santelyn, pampered daughter of the Merchant’s Guild, hides a secret. A power stirs within her, one that could destroy everything she holds dear, or save it. When her ability to see the future becomes too apparent for comfort, the spunky Marya takes matters into her own hands and runs, right into the arms of the enemy.

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.

Gale has a problem. A really thorny problem. He can't touch anything made of wood without it bursting into bloom… which is inconvenient, to say the least. Clearly, his unicorn is cranky about something—Gale just wishes he knew what. In the meantime, being cursed with the world's most annoying green thumb is making it pretty much impossible to continue working as a sous chef. Maybe a relaxing trip into the mountains will be enough to soothe his sullen unicorn.

Paleontologist Brandon Thackery and his rival, Miles "Klicks" Jordan, fulfill a dinosaur lover's dream with history's first time-travel jaunt to the late Mesozoic. Hoping to solve the extinction mystery, they find Earth's gravity is only half its 21st-century value and dinosaurs that behave very strangely. Could the slimy blue creatures from Mars have something to do with both?

Julian wants more than anything to be like every other kid—skateboard, hang out with friends, have sleepovers, and tease his little brother and sister. But Julian has a special gift, one which, to him, feels more of a curse. In his dreams, he is visited by spirits who tell him things—sometimes very important things. He has called these “tell-you” dreams since he was little, and he knows now to keep them secret, ever since one such dream came true when the little Mendes girl down the street was murdered in her basement.