While on vacation sailing the waters of the Puget Sound, geophysicist Alex Cave hears a mayday call on the radio and sees a brilliant flash of neon-blue light surround an oil tanker. He changes course to help and discovers there was no explosion, no one on board, and the oil has mysteriously vanished without a trace.

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.

When a NASA satellite discovers an astonishingly rare object buried deep in the Arctic ice, the floundering space agency proclaims a much-needed victory, a victory with profound implications for NASA policy and the impending presidential election. To verify the authenticity of the find, the White House calls upon the skills of intelligence analyst Rachel Sexton. Accompanied by a team of experts, including the charismatic scholar Michael Tolland, Rachel travels to the Arctic and uncovers the unthinkable.

The Martian meets Gravity when Army Pilot Vaughn Singleton, Earth’s last man, rushes to Area 51 in search of a spaceplane after he discovers the last woman is stranded on the International Space Station and barely alive - thus beginning a race against time. The event that wiped life from the planet started at the supercollider. It created a rift in space-time. The astronaut stranded aboard the space station, Commander Angela Brown, is a theoretical physicist who used to work at the collider.

Particle physicist Jon Grady is ecstatic when his team achieves what they've been working toward for years: A device that can reflect gravity. Their research will revolutionize the field of physics - the crowning achievement of a career. Grady expects widespread acclaim for his entire team. The Nobel Prize. Instead, his lab is locked down by a shadowy organization whose mission is to prevent at all costs the social upheaval sudden technological advances bring.

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.

Juan Cabrillo's first adventure with the Oregon - a state-of-the-art spy ship disguised as a nondescript lumber hauler - takes him and his crew into dangerous waters as they try to put Tibet back in the hands of the Dalai Lama by striking a deal with the Russians and the Chinese.

When itinerant cave diver James Tighe receives an invitation to billionaire Nathan Joyce's private island, he thinks it must be a mistake. But Tighe's unique skill set makes him a prime candidate for Joyce's high-risk venture to mine a near-Earth asteroid - with the goal of kick-starting an entire off-world economy. The potential rewards and personal risks are staggering, but the competition is fierce, and the stakes couldn't be higher. Isolated and pushed beyond their breaking points, Tighe and his fellow 21st-century adventurers must rely on each other to survive....

Twelve miles above the Pacific Ocean, a missile strikes a jumbo passenger jet and leaves the flight crew either crippled or dead. This is the story of how three survivors must achieve the impossible and land the plane. Master storyteller Nelson DeMille and veteran pilot Thomas Block collaborated on Mayday, the most terrifyingly realistic air disaster thriller of all time. Also available abridged.

For 30-year-old captain Scott McKay, the transport run from Miami to Denver will give him the money he desperately needs to keep his fledgling air cargo company flying. When a mysterious crate is discovered on his plane, however, McKay is ordered to abandon his present course and fly the crate and its owner, Vivian Henry, to Washington, D.C., before going to Denver. It is discovered that the crate contains a thermonuclear bomb, one capable of destroying every computer chip over an entire continent.

Three best-selling novels starring marine biologist Sam Reilly by master of action and adventure Christopher Cartwright is presented in this thrilling audio collection. Listen to the exciting adventures in The Last Airship, The Mahogany Ship, and Atlantis Stolen.

In the Atlantic Ocean, hurricane Helena is gathering strength, becoming the most powerful storm in recorded history. As Helena bears down on Bermuda, Donovan Nash, along with other members of the scientific research organization Eco-Watch, are called to fly in and extract key government people who have been studying Helena. For Donovan Nash, the routine mission turns deadly when an attempt is made on the life of the lead scientist.

Alex and his three friends drop out of college after discovering a revolutionary way to travel into space using a small amount of energy. Their world-changing technology is sought by the government, and they are forced to go into hiding while they perfect it. Their adventures into orbit and beyond become a global sensation. As they navigate fame, family, and those who are determined to stop them, little do they know that their little startup could have galactic consequences once they discover a derelict spaceship.

The fate of humanity lies on the shoulders of Burt Radcliffe, the new head of NASA's Near Earth Object program. He's been rushing the completion of DefenseNet, a ring of satellites that are both part of an early-warning system, as well as the means to eliminate incoming threats. Yet Burt knows that despite the world's best efforts, nothing can be done about the alert he's just received. Coming out of deep space is a danger that's been approaching since the dawn of time. A black hole. An unstoppable threat that promises death for all in its wake.

Jack Steele is an ex-big-city cop that left the department after losing a friend in the line of duty. Recovering from a tough divorce, he reinvents himself with a love of flying and restructures his life as a pilot for hire. Accompanied by his ever-present German Shepherd, Fritz, Jack will fly almost anything anywhere, shuttling new and used planes for clients all over the world. He had never been a Boy Scout, but he is a man who likes to stay prepared and in control of whatever life throws at him. But nothing could have prepared Jack and his copilot for how life suddenly goes drastically and violently sideways...

In the Atlantic Ocean, hurricane Helena is gathering strength, becoming the most powerful storm in recorded history. As Helena bears down on Bermuda, Donovan Nash, along with other members of the scientific research organization Eco-Watch, are called to fly in and extract key government people who have been studying Helena. For Donovan Nash, the routine mission turns deadly when an attempt is made on the life of the lead scientist.

When brilliant archaeologist Dilara Kenner is contacted by Sam Watson, an old family friend who says that he has crucial information about her missing father, Dilara abandons her Peruvian dig and rushes to Los Angeles to meet him. But at the airport, Sam speaks instead of Noah’s Ark—the artifact her father had long been searching for—and the possible death of billions. Before Sam can explain, he collapses. With his dying breath, he urges Dilara to find Tyler Locke—a man she’s never heard of.

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.

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.

Daniel Ash wakes after midnight to the cry of his daughter. Just a bad dream, he thinks. She's had them before. Yet he can't help but worry when she cries out again as he pads down the hallway. Stepping through her doorway, he expects to find her sitting up in bed, frightened by a nightmare. But the nightmare is his. It's real. And it's just beginning....

Astronaut David Dixon's first mission to space goes horribly awry when a gunfight breaks out on a Russian space station. He finds himself making an emergency landing from orbit and becomes the most wanted man on Earth. Desperate to unravel the plot he's found himself in, he takes his pursuers on a wild chase from space to the backstreets of Rio and beyond. Dixon's survival relies on his skills as a pilot and willingness to do whatever it takes.

Perhaps it wasn't from our time, perhaps it wasn't even from our universe, but the arrival of the 300-kilometer long stone was the answer to humanity's desperate plea to end the threat of nuclear war. Inside the deep recesses of the stone lies Thistledown: the remnants of a human society, versed in English, Russian and Chinese. The artifacts of this familiar people foretell a great Death caused by the ravages of war, but the government and scientists are unable to decide how to use this knowledge.

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.

Humans call them Monument-Makers. An unknown race, they left stunning alien statues scattered on distant planets throughout the galaxy, encoded with strange inscriptions that defy translation. Searching for clues about the Monument-Makers, teams of 23rd century linguists, historians, engineers and archaeologists have been excavating the enigmatic alien ruins on a number of planets, uncovering strange, massive false cities made of solid rock. But their time is running out.

The year is 2380. The Intersolar Commonwealth, a sphere of stars some 400 light-years in diameter, contains more than 600 worlds, interconnected by a web of transport "tunnels" known as wormholes. At the farthest edge of the Commonwealth, astronomer Dudley Bose observes the impossible: Over 1,000 light-years away, a star...vanishes. It does not go supernova. It does not collapse into a black hole. It simply disappears.

The year is 3326. Nigel Sheldon, one of the founders of the Commonwealth, receives a visit from the Raiel - self-appointed guardians of the Void, the enigmatic construct at the core of the galaxy that threatens the existence of all that lives. The Raiel convince Nigel to participate in a desperate scheme to infiltrate the Void. Once inside, Nigel discovers that humans are not the only life-forms to have been sucked into the Void. The humans trapped there are afflicted by an alien species of biological mimics.

Evan Gabriel wasn't always a feared and respected North American Federation Navy Commander. Before dangerous missions to the ice-bound planet of Poliahu, the deadly jungle world of Eden, and politically corrupt Mars, he was a simple recruit, fighting to make his mark in the elite Naval Special Forces…and was part of a top-secret military experiment that would change his life forever. Zero Point tells the tale of a young man faced with difficult choices and dangerous trials.

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.

In December 2001, CIA paramilitary operative Matt Garrett is mysteriously pulled from Pakistan as he closes in for the kill of Al Qaeda senior leadership and is reassigned to a low-profile mission in the Philippines. But as he sifts through the wreckage of a downed U.S. C-130 cargo plane in the tangled jungle, he finds a dead U.S. Special Forces paratrooper who is not supposed to be there. Matt is quickly thrown into a contest of wits and resiliency in the uncharted rainforests of Mindanao.

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.