Deep in the Nevada desert is the most secure compound in the United States: Area 51. The most chilling experiment of all time is about to begin there. The president doesn't know about it. Just a few scientists and military personnel working for Majestic-12 do, and they are about to make a very big mistake.

Many millennia ago, humans, including us, were seeded on 15 worlds by an alien race, the Airlia. We believe we evolved, but the reality is we were bred as cannon fodder for the Airlia’s interstellar war against the Swarm, a viral race whose only mission appears to be the obliteration of sentient life wherever encountered. On some worlds humans realized the truth about their origins, uncovered their hidden alien overlords, and rebelled.

Hidden deep beneath the Metropolitan Museum of Art is the Time Patrol, a secret agency charged with protecting the world's timeline from the evil forces who wish to alter it. When the patrol disappears without a trace, only 12 short hours are left before all life on Earth ceases to exist.

When a series of devastating terror attacks brought down the United States, Conor and Barb assumed they were safe in their compound. They had everything they needed. They were armed and highly trained. But then, Barb was kidnapped. The kidnappers didn’t know why Conor was known as The Mad Mick. They didn’t know the fear and respect his name invoked in the shadowy underworld of covert operations. They didn’t know that when it came to protecting his family, he was without conscience, without compassion, and without equal. But they would soon find out.

The best-selling, epic space adventure, Freedom's Fire: the complete series of six audiobooks, in one bundle.

The Confederated Systems Alliance has spread to dozens of systems, creating the first true interstellar alliance dedicated to bringing peace and prosperity to all inhabited worlds. Unfortunately, some see this new alliance as a threat to their own seats of power, and would do anything to stop it. After a well deserved rest, Captain Nathan Scott is once again called into action. This time, it is not the fate of the galaxy that is on his shoulders, but the life of one of his dearest friends. But not all is as it appears.

When an experiment to study quantum uncertainty goes spectacularly wrong, physics student Bill Rustad and his friends find that they have accidentally created an inter-dimensional portal. They connect to Outland - an alternate Earth with identical geology, but where humans never evolved. The group races to establish control of the portal before the government, the military, or evildoers can take it away. Then everything changes when the Yellowstone supervolcano erupts in an explosion large enough to destroy civilization and kill half the planet.

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?

Mars and the Moon have been colonized, piracy runs rampant in the asteroid belts, and a thriving society grows in the depths of space. Humanity prepares to embark upon its greatest journey - the colonization of Alpha Centauri. Then, everything changes. A deep space reconnaissance probe discovers a new Earth-like planet 12 light-years from Earth’s sun. The probe also finds something unusual, something unnerving. A new mission is created, a space fleet is formed, and humanity embarks on unravelling the greatest mystery of all - the origins of life itself.

This is the warning delivered to Will Ryder by the alien spaceship that crash-landed in his backyard. But there is hope. With the ship's AI guiding him, Will must rebuild the craft in his barn and take to the stars to prevent the cataclysmic invasion.

In the 20th century Earth sent probes, transmissions, and welcoming messages to the stars. Unfortunately, someone noticed. The Galactics arrived with their battle fleet in 2052. Rather than being exterminated under a barrage of hell-burners, Earth joined their vast Empire. Swearing allegiance to our distant alien overlords wasn't the only requirement for survival. We also had to have something of value to trade, something that neighboring planets would pay their hard-earned credits to buy. As most of the local worlds were too civilized to have a proper army, the only valuable service Earth could provide came in the form of soldiers....

A pyramid predating all known cultures appears without warning. Its discovery throws into question everything we know about the origins of mankind. Inside lies incredible technology, proof of a culture far more advanced than our own. Something dark lurks within, eager to resume a war as old as mankind. When it is unleashed it heralds the end of our species’ reign.

Not Alone: First Encounter is a prequel to the globally acclaimed Not Alone series, set several years before two worlds collide under the weight of the grandest conspiracy of all time. For the first time ever, First Encounter lifts the curtain on a deadly series of events surrounding the initial meeting between the ruthless Richard Walker - untouchable head of the controversial Interspace Defense Agency - and a young truth-seeker from Birchwood, Colorado....

The Star Kingdom's ally Erewhon is growing increasingly restive in the alliance because the new High Ridge regime ignores its needs. Add to that the longstanding problem of a slave labor planet controlled by hostile Mesans in Erewhon's stellar back yard, a problem which High Ridge also ignores.

In the final days of World War II, the Allies ransacked Berlin. Third Reich scientists were highly sought-out prizes for Americans and Russians desperate to possess Nazi nuclear knowledge. But they failed to capture one of the most vital members of Adolf Hitler’s inner circle, Hans Kammler, a liaison with the Nazis’ silent partners whose technological wonders nearly helped the Axis win the war - the alien species the Germans called the Eidechse. More than seven decades later, US Navy SEAL Mark Hunter witnesses the impossible in North Korea....

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.

In the future, the terminally ill can prolong life by surrendering their consciousness to a cybernetic life form that is then recruited into the notorious Legion of the Damned, an elite fighting unit charged with protecting humanity.

In your hands is the handwritten journal depicting one man's struggle for survival. Trapped in the midst of global disaster, he must make decisions; choices that ultimately mean life, or the eternal curse to walk as one of them. Enter, if you will, into the world of the undead.

Cloaked by the mists of dawn, Task Force 61 - carrying tanks, aircraft, and over 5000 Marines - steams toward Syria with deadly intent. Their mission: rescue 100 hostages from a terrorist stronghold - alive. With realism seldom seen in military fiction, The Med is a magnificent and timely epic that brings the human drama of armed conflict compellingly to life.

In this controversial book, Vaughn Heppner explores the theme of a shattered America facing the onslaught of the new colossus in the East: Greater China. The time is 2032, and the Chinese are crossing the polar ice and steaming through the Gulf of Alaska. They have conquered oil-rich Siberia and turned Japan into a satellite state. Now a new glacial period has begun, devastating the world’s food supply. China plans to corner the world’s oil market and buy the needed food for their hungry masses.

The Year is 2040. The Marines have landed on Mars to guard the unearthed secrets of an ancient and dangerous alien race: Ourselves. Scientists have discovered something astonishing in the subterranean ruins of a sprawling Martian city: startling evidence of an alternative history that threatens to split humanity into opposing factions and plunge the Earth into chaos and war.

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.

As a MechWarrior of the Draconis Combine, Minobu Tetsuhara was bound by Bushido - a code that demands loyal service - to the devious Warlord Grieg Samsonov. But when Minobu came upon a strange blue-and-gold Archer, Bushido also dictated that he not destroy the honorable but helpless warrior. And so begins the BattleTech Chronicles, books one, two and three...

Tucked away in a high-tech Tactical Operations Center, inside an isolated safehouse in the Horn of Africa, sits Agency analyst Zack Altringham. He is Kenyan-born, Princeton-educated, badly burnt-out - and condemned by his language and cultural skills to a lifetime of fighting America's shadow counter-terror wars.

Dreamland is the place where the nation's top minds come to develop artillery and aircraft that push beyond the cutting edge. And where the Air Force's top guns come to test them, on the frontlines of a new era in warfare. The fiasco of a spy's infiltration has the Pentagon looking for an excuse to close Dreamland down. To clean up the mess, and save Dreamland from the congressional chopping block, Lt. Colonel Tecumseh "Dog" Bastian is sent in.

A spy plane gathering data on a new Russian weapon is blown out of the sky by a mysterious MiG. Is it an accident or the start of the next world war? One U.S. agency has what it takes to find out - the National Security Agency and its covert operations team: DEEP BLACK.

The Ember War, book 1: The Earth is doomed. Humanity has a chance. In the near future, an alien probe arrives on Earth with a pivotal mission: to determine if humanity has what it takes to survive the impending invasion by a merciless armada. The probe discovers Marc Ibarra, a young inventor who holds the key to a daring gambit that could save a fraction of Earth's population. Humanity's only chance lies with Ibarra's ability to keep a terrible secret and engineer the planet down the narrow path to survival.

Ex-Navy SEAL Jack Kirkland surfaces from an aborted underwater salvage mission to find the Earth burning. Solar flares have triggered a series of gargantuan natural disasters. Earthquakes and hellfire rock the globe. Air Force One has vanished from the skies with America’s president on board. Now, with the US on the narrow brink of a nuclear apocalypse, Kirkland must pilot his oceangoing exploration ship, Deep Fathom, on a desperate mission miles below the ocean’s surface.

Former Marine Arthur Holland’s destiny begins when an aircraft crashes on his property in the mountains of Colorado. He moves to investigate and to help any survivors, but the closer he gets the less control he has of his movements. An unknown force urges him to open the door of the mysterious craft, discovering the secret that lies within: a dead, alien pilot and a peculiar, otherworldly crystal. If that wasn’t enough, the crystal feels like it is alive. That’s when he hears a single word inside his mind: run.

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.