Robots are building a colossal telescope on the far side of the moon, with just two people supervising its completion. After a minor incident, these scientists become aware of an obstacle in the lunar soil. It's located outside the area reserved for the hypertelescope and is therefore none of their business. But their curiosity gets the better of them. The artifact seems to have properties that completely defy physics as they know it.

Indiana Jones meets The X-Files in this thrilling, globe-spanning adventure about the greatest treasure hunt of all time—where ancient secrets collide with cutting-edge technology. In the high-stakes world of ancient artifacts and clandestine organizations, a trio of unlikely misfits are drafted into a desperate race to prevent the assembly of a long lost device.

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.

Caesar, an undercover operative, enters Carmichael with the briefest of orders from his boss and a countdown on his phone. What will happen when the clock strikes zero? Deputy Amelia Miller is dispatched from a nearby city, and a series of events keeps her around much longer than she'd expected. In the middle of the night, something shifts, and the whole town disappears off the face of the Earth. Who caused the shift, and what lies beyond the veil of their settlement?

Astronaut Lee Rifkin's life is about to change. NASA has done the math. The space object named Cassandra 22007 is not behaving as expected. He will lead a team on a cutting-edge ship to get a closer look. But another group wants to get there first. Who is this shadow organization that seems to be one step ahead of them? Agent Jenna Haynes works to put together the pieces that will pull the veil off those who seem to have known about Cassandra's arrival since long before NASA spotted it. What is their goal?

One small handwritten letter, sent from a dark, remote corner of the planet and lost in the system for 60 years, is about to change the entire human race. Outside Denver, Colorado, Joe Rickards stands over a small aircraft wreckage, studying burnt remains still smoldering in a field of freshly fallen snow. He's an investigator for the NTSB, working to carefully roll back the last several hours and identify the cause of the accident. But this time, he can't.

Alex Hunter - in the mission that turned him from a normal man into the weapon known as the Arcadian - and the elite team of soldiers known as the Hotzone All-Forces Warfare Commandos must enter a hostile country to rescue a defected Chechen researcher from the centre of a country at war. But the HAWCs are not the only ones looking for the rogue scientist and the mysterious package he carries with him. A brutal and relentless killer and his death squad are on the trail, too - and they bring a savagery with them that Hunter and his team have never witnessed before in modern warfare.

When the solar flare took out the world's power… nobody could explain why the street lights still glowed in Jakarta. Was it a signal from space? When the Mars Reconnaissance Orbiter (MRO) transmits strange images of the red planet: a scientifically unexplained light phenomenon on the summit of Elysium Mons has the experts both concerned and baffled. A team needed to check it out. The mission to Mars was set. Now, they had to build the team.

A mysterious object crests the Sun during a total solar eclipse. Cryptic radio-frequency noise jams TVs and radios worldwide. Sinister alien artifacts inexplicably appear in the capitals of the world's powers. Paralyzed with fear, society begins to crumble. Former NASA scientist Jasmine Evans is the first to spot the object and sound the alarm. Recalled to investigate the mystery, her team makes a critical discovery. But nothing is what it appears to be.

On the International Space Station, an unthinkable disaster occurs. Was it an accident? ESA astronaut Thomas Ehrmann and NASA astronaut Patricia Michaels escape in a Soyuz capsule. The Russian authorities in Kazakhstan have questions and want to know what happened to the third member of the crew, Oleg Rashkin. They both refuse to talk. What are they hiding? Amina Young is a psychologist with the ESA. In her mid-thirties, she specialized in and advanced the field of psychological analysis of astronauts. If anyone can get to the facts about the incidents that happened on the mission, it's her.

The colony on Haven-7 has gone rogue. The colonists have split into two factions: the Techborn and the Dusters. The Techborn have always ruled the planet. They control the remnants of the crashed starship that brought humanity to this new world. The Dusters… they eat Techborn dust. Now, the Techborn strength is waning. Their weapons are getting old, and radiation leaks from the aging reactors have created mutations. Some of these, like their brutish troops known as Tuskers, have proven useful—but others are abominations.

From the authors of the Tom Clancy Jack Ryan series and the #1 bestselling Tier One Series (now in development for television), comes the fourth installment of their Tier One spin-off series, the bestselling Sons of Valor series. Ripped from the headlines, False Flag will bring the much loved Sons of Valor team back into the fight, this time to stop a war that will change the balance of power in the Middle East forever.

After years of hard work, Tyler built his IT Security company into a massive success. He trusted his people and now it was time to enjoy the fruits of that labor. Everything was perfect until an unexpected discovery. Should they go through the Maya portal? Adriana's small diving instruction shop is popular enough with the tourists for her to scrape out a living, but it's not the life she expected. When she got the call, it seemed impossible. Wasn't Xibalbá a myth? In a fantastic world of danger and possibility, two people want to discover the truth, but for entirely different reasons.

Dr. Kelly Connolly is part of a top-secret team studying the most important find in human history - the Enigma Cube, an alien artifact of incomprehensible power. A cube whose technology can catapult civilization to dizzying heights - or destroy it entirely. After years of failed attempts to unlock the cube's secrets, all hell suddenly breaks loose. Kelly and a black-ops commando, Justin Boyd, are soon fighting against all odds to stay alive, and to keep the cube out of enemy hands.

What if you found a way to send something back in time? But not weeks, days, or even minutes back. What if you could only send something back a fraction of a second? Would this be of any use? You wouldn't have nearly enough time to right a wrong, change an event, or win a lottery. Nathan Wexler is a brilliant physicist who thinks he's found a way to send matter a split second back into the past. But before he can even confirm his findings, he and his wife-to-be, Jenna Morrison, find themselves in a battle for their very lives.

Dr. James Barron narrowly prevented a catastrophic interdimensional invasion in The Rift. But now he must deal with a myriad of threats as great as the one he overcame. Threats including growing rifts in the fabric of reality, anomalous superstorms, and conspiracies that just might span worlds. Most importantly, he must find a way to save a woman he can't get out of his head, Special Agent Hannah Walker, who vanished through a portal with a treacherous genius named Linus.

Finally reunited on an advanced, alternate Earth where the mighty Roman Empire never died, James, Hannah, and Wolf now stand at the precipice of an interdimensional war threatening to obliterate everything they've fought to protect. As the fabric of existence continues to unravel, unleashing anomalous storms and creating rifts large enough for unstoppable warships to traverse, the trio must find a way to repel a superior force bent on conquest.

When NASA's Sentinel I satellite detects an impossible reflection and a mysterious signal from Shackleton Crater, the world is thrown into chaos. The discovery points to one chilling truth: an alien artifact lies hidden beneath the lunar surface—and it wants to be found. As China scrambles to exploit the revelation, a new moon race ignites, pushing humanity to the brink.

When Nick Hall wakes up in a dumpster - bloodied, without a memory, and hearing voices in his head - he knows things are bad. But they're about to get far worse. Because he's being hunted by a team of relentless assassins. Soon Hall discovers that advanced electronics have been implanted in his brain, and he now has two astonishing abilities. He can surf the web using thoughts alone. And he can read minds. But who inserted the implants? And why? And why is someone so desperate to kill him?

When the solar flare took out the world's power… nobody could explain why the street lights still glowed in Jakarta. Was it a signal from space? When the Mars Reconnaissance Orbiter (MRO) transmits strange images of the red planet: a scientifically unexplained light phenomenon on the summit of Elysium Mons has the experts both concerned and baffled. A team needed to check it out. The mission to Mars was set. Now, they had to build the team.

On the International Space Station, an unthinkable disaster occurs. Was it an accident? ESA astronaut Thomas Ehrmann and NASA astronaut Patricia Michaels escape in a Soyuz capsule. The Russian authorities in Kazakhstan have questions and want to know what happened to the third member of the crew, Oleg Rashkin. They both refuse to talk. What are they hiding? Amina Young is a psychologist with the ESA. In her mid-thirties, she specialized in and advanced the field of psychological analysis of astronauts. If anyone can get to the facts about the incidents that happened on the mission, it's her.

Astronaut Lee Rifkin's life is about to change. NASA has done the math. The space object named Cassandra 22007 is not behaving as expected. He will lead a team on a cutting-edge ship to get a closer look. But another group wants to get there first. Who is this shadow organization that seems to be one step ahead of them? Agent Jenna Haynes works to put together the pieces that will pull the veil off those who seem to have known about Cassandra's arrival since long before NASA spotted it. What is their goal?

The day that changed Melody's life was like any other over the previous two years. She'd found she had a gift for writing, and her career as an author had almost healed the pain of losing her job. When the Secret Service rang her bell, everything changed. Something was nearing Saturn…and it was slowing down. Had she been right about the object?

Oliver Scott is the reclusive genius and trillionaire behind countless world-changing breakthroughs. How does he innovate at such a furious pace? While most hail him as a savior, what if he's actually the most dangerous tyrant humanity has ever seen? A man who will stop at nothing to gain absolute power.

Noah Harris and Ashley Flynn are field agents for a powerful organization tasked with protecting humanity from the misuse of game-changing technology. But when they discover hidden portals that link Earth to numerous planets, they are thrust into a maze of deception and intrigue they can't begin to understand....one that not only has them battling for their very lives, but that will decide the fate of worlds. Because, inexplicably, each of the planets contain human civilizations, and the rulers of our nearest portal neighbor have come up with a brilliant, twisted plan to conquer ours.

FBI geneticist Mason Brown and Danish Interpol agent Jonna Nielsen have just seventy-two hours to find the missing man they call The Immortal. He's on the run across Europe and his genetic material may be the most valuable commodity in human history. There's just one problem: Someone else wants him, too. As the time to find him dwindles, Mason and Jonna seem to be one step behind a wealthy man who will stop at nothing. If the tech billionaire finds him first, it could change the economic playing field for the entire world.

In the aftermath of a bioengineered plague that wiped out all life on Earth, Jupiter's Europa colony has become the last bastion of human civilization, and it's Lt. Ryan Braeder's job to keep what remains of his species alive. With food and supplies dwindling, he has no choice but to take his last ships on a perilous journey to a dead colony on Ceres in a desperate bid to find provisions and replacement parts.

What if suddenly you could no longer see the sun? Or the stars? What if the world sank into darkness? Off the coast of Sulawesi, an Indonesian fisherman named Putra Buring Bule nets a strange object from the depths. A few days later, Earth falls into total darkness – an unknown phenomenon blocks out the sun and the starry sky, and the world descends into chaos.

The first mission to Europa – Jupiter's enigmatic moon – has landed, and humanity’s darkest fears are about to awaken. For years, mankind has speculated that this frozen world harbours a hidden ocean twice the size of all Earth’s oceans combined – an ocean potentially teeming with life. Driven by this tantalising mystery, they venture forth to unlock its secrets. But what they discover in the abyssal depths is far beyond anything they could have imagined.

When DARPA's billion-dollar program to create artificial superintelligence is sabotaged, US operative Cameron Carr is tasked with finding the culprit. He's been on high-stakes missions before, but this time the stakes are nothing less than the future of humanity. Because the race to evolve a superintelligent computer is on, and power players around the world will stop at nothing to get there first.