Earth is about to go dark. Without a new power source, life as we know it will be toast. A global competition is under way to determine which four kids will join the secret mission that might just save us all. Project Alpha is a contest of physical challenges, mental puzzles, and strategic alliances. The battle is fierce. Who will lead the team? Who will pilot the most complicated space ship ever built? Who will be a friend? An enemy? And how will they survive over a year stuck on a space ship together?

They call themselves SYLO and they are a secret branch of the U.S. Navy. SYLO's commander, Captain Granger, informs Pemberwick residents that the island has been hit by a lethal virus and must be quarantined. Tucker believes there’s more to SYLO’s story. He was on the sidelines when the high school running back dropped dead with no warning. He saw the bizarre midnight explosion over the ocean, and the mysterious singing aircraft that travel like shadows through the night sky. He tasted the Ruby - and experienced the powers it gave him - for himself.

Jason Burke was a man hiding from himself in a small cabin high in the American Rocky Mountains when his simple, quiet life was shattered one night by what he first assumed was an aviation mishap. But when he investigates the crash, what he finds will yank him out of his self-imposed exile and thrust him into a world he could have never imagined.

Ben Ripley may only be in middle school, but he's already pegged his dream job: CIA or bust. Unfortunately for him, his personality doesn't exactly scream "secret agent". In fact Ben is so awkward, he can barely get to school and back without a mishap. Because of his innate nerdiness, Ben is not surprised when he is recruited for a magnet school with a focus on science - but he's entirely shocked to discover that the school is actually a front for a junior CIA academy.

Bobby Pendragon is a seemingly normal 14-year-old boy. He has a family, a home, and even Marley, his beloved dog. But there is something very special about Bobby: he is going to save the world.

And not just Earth as we know it. Bobby is slowly starting to realize that life in the cosmos isn't quite what he thought it was. And before he can object, he is swept off to an alternate dimension known as Denduron, a territory inhabited by strange beings, ruled by a magical tyrant, and plagued by dangerous revolution.

In a discontented kingdom, civil war is brewing. To unify the divided people, Conner, a nobleman of the court, devises a cunning plan to find an impersonator of the king's long-lost son and install him as a puppet prince. Four orphans are recruited to compete for the role, including a defiant boy named Sage. Sage knows that Conner's motives are more than questionable, yet his life balances on a sword's point - he must be chosen to play the prince or he will certainly be killed. But Sage's rivals have their own agendas as well.

Twelve-year-old Sophie has never quite fit into her life. She’s skipped multiple grades and doesn’t really connect with the older kids at school, but she’s not comfortable with her family, either. The reason? Sophie’s a Telepath, someone who can read minds. No one knows her secret - at least, that’s what she thinks.... But the day Sophie meets Fitz, a mysterious (and adorable) boy, she learns she’s not alone. He’s a Telepath too, and it turns out the reason she has never felt at home is that, well...she isn’t. Fitz opens Sophie’s eyes to a shocking truth....

A classic thriller from #1 New York Times bestselling author Michael Crichton, Sphere is a bravura demonstration of what he does better than anyone: riveting storytelling that combines frighteningly plausible, cutting-edge science and technology with pulse-pounding action and serious chills.

Space travel just isn't what it used to be. With the invention of quantum teleportation, space heroes aren't needed anymore. When one particularly unlucky ex-adventurer masquerades as famous pilot and hate figure Jacques McKeown, he's sucked into an ever-deepening corporate and political intrigue. Between space pirates, adorable deadly creatures, and a missing fortune in royalties, saving the universe was never this difficult!

With the help of a powerful computer system, Alison Shaw and her team are preparing to translate the first two-way conversation with the planet's second smartest species. But the team discovers much more from their dolphins than they ever expected when a secret object is revealed on the ocean floor. One that was never supposed to be found.

Cities all around the world reported strange alien vessels descending. Some saw them as the heralds of a new age; others fired everything they had at them. All were taken as the beams lashed down and drew them into the sky. Dean was left behind, seemingly the last man on Earth. A trail of clues left by his dead wife guides Dean on a perilous journey across America and beyond to learn the truth behind the mysterious ships and save humanity from its doom.

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.

When you’re out in the black wilds of space you might encounter warring pirate factions, rogue planets, or even find yourself on the wrong side of the Royal Union, the ruling government of the Triumph galaxy. Unfortunately for Halstaan Cross, it's all three.

Mars is supposed to be dead. Bizarre quakes are rumbling over the long-dormant tectonic plates of the planet, disrupting its trillion-dollar mining operations and driving scientists past the edges of theory and reason. However, when rocks shake off their ancient dust and begin to roll seemingly of their own volition carving canals as they converge to form a towering structure amid the ruddy terrain, Lt. Jain and her JSC team realize that their routine geological survey of a Martian cave system is anything but. The only clues they have stem from the emissions of a mysterious blue radiation, and a 300-year-old journal that is writing itself.

It wasn't easy for Molly being the only girl in Flight Academy, but getting expelled was even worse. Abandoned by her family when she was young and now tossed from the only home she's ever known, her future looks bleak.

But then Molly hears that her father's old starship has turned up halfway across the galaxy. Setting off to retrieve the old craft, she hopes it will hold clues to his disappearance. Accompanying her as a chaperone is Cole, her old flight partner from the Academy.

Cities all around the world reported strange alien vessels descending. Some saw them as the heralds of a new age; others fired everything they had at them. All were taken as the beams lashed down and drew them into the sky. Dean was left behind, seemingly the last man on Earth. A trail of clues left by his dead wife guides Dean on a perilous journey across America and beyond to learn the truth behind the mysterious ships and save humanity from its doom.

When humanity reaches for the stars, our probes are destroyed. They crash into an incredibly advanced piece of technology: a massive force-field. Unknown beings have placed a barrier around our star and planets, enclosing us within. We’re locked inside a Great Sphere. Was this invisible obstacle built to imprison us - or to protect us? No one knows the truth, but it soon becomes clear the barrier has leaks. Aliens infiltrate and try to sabotage our efforts to escape our cage.

Syd Chambers grew up on Earth with his human mother and barely remembers his alien father from Denza, who left on a mission when Syd was very young. After leaving Earth, Syd learned the truth of his father’s disappearance on the planet Ashfall—his father had died protecting a devastating secret about the history between humans and Denzans.

Matt Cruse is a cabin boy on the Aurora, a huge airship that sails hundreds of feet above the ocean. One night he meets a dying balloonist who speaks of beautiful creatures drifting through the skies. It is only after Matt meets the balloonist's granddaughter that he realizes that the man's ravings may, in fact, have been true, and that the creatures are completely real and utterly mysterious.

They hunt us. They bomb our worlds for target practice. A star cluster in the constellation of Orion rotates once every 1,000 years. Those who rule there have an ancient tradition: When each cycle ends, they train their fleets by spilling the blood of lesser beings. The enemy fleets are coming again. In response, the Rebel Worlds gather their starships to face the terrifying threat, and this time humanity is asked to stand with them. The last time they considered Earth, Vikings in longboats were raiding English coastlines. Today, we're less primitive. Today, we're a target.

The U.S.S. Merrimack was the finest battleship class spaceship in Earth's fleet, able to stand up against the best the Palatine Empire could throw at them, even able to attack and kill swarms of the seemingly unstoppable Hive. But nothing could have prepared the captain and crew of the Merrimack to face the Myriad - three colonized worlds in the midst of a globular cluster that the Hive had somehow overlooked.

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.

Hybrid fighters merging human and alien technology. Massive cannon emplacements on the moon and Mars. A planetary defense force with the finest military personnel ever trained. For two decades we've known the enemy would return. The nations of Earth have collaborated on a unified defense program designed to defend the planet.

They tried to destroy our planets. Our way of life. They tried to send us into extinction. But we, the Coalition, fought them and won. That was a decade ago. They’re known as the Host: a cabal of aliens seeking to dominate our sector of space. And they’re back - with help from a powerful new enemy. We’re outnumbered and unprepared. But there is hope. An ancient race of long-dead but technologically advanced aliens called the Navigators have a ship called the Blackstar that could potentially turn the tide. That is if I, Kai Locke, a humble ship racer, can find it and learn how to harness its power in time.

The year is AD 2790. With space elevators and giant orbital fleets hovering over Earth, open war looks inevitable, and people are anxious to get away. The lines are drawn, with the Confederacy in the East and the First World Alliance in the West. In hopes of finding a refuge from the looming war, the Alliance is sending Captain Alexander de Leon to explore an Earth-type planet, code-named Wonderland, but at the last minute before launch, a Confederate fleet leaves orbit on a trajectory that threatens both the mission and Alliance sovereignty.

At the top of the world… at the bottom of the sea… a war has begun. Below the polar ice cap, an American nuclear submarine moves quietly in the frigid water, tailing a new Russian sub. But the usual, unspoken game of hide-and-seek between opposing captains ends when the Americans hear sounds of disaster and flooding, and the Russian sub sinks at a depth of a thousand feet. The American sub rushes to help, only to join its former quarry in the deep. The situation ignites tensions around the world.

In the summer of 1947, an unidentified object crashed in Roswell, New Mexico. There were no survivors. Now it's happened again. But this time, two creatures have emerged from the wreckage alive.

Humankind has escaped a dying Earth and set out to find a new home among the stars aboard an immense generation ship affectionately named the Ark. Bryan Benson is the Ark's greatest living sports hero, enjoying retirement working as a detective in Avalon, his home module. The hours are good, the work is easy, and the perks can't be beat. But when a crew member goes missing, Bryan is thrust into the center of an ever-expanding web of deception, secrets, and violence.

In the near future, in the Epcot of Walt Disney's imagination, sixty thousand people live in a CommuniTree surrounding the forward-looking Walt Disney World theme park. Five unique families are among the residents—and some of the parents were once known as the Kingdom Keepers. Their identities are carefully guarded in order to raise their children without special treatment, most of the Kingdom Keepers work for the Walt Disney Company, and have settled into "ordinary" and rewarding lives.

The award-winning, bestselling author's first novel. The beamjacks work in zero-gravity constructing satellites in the vacuum of deepest space. And they're not going to let the military control them anymore.