A fugitive tech billionaire. A rogue spy. The chase is on in the first three books in the international best-selling technothriller series.

Court Gentry is known as The Gray Man—a legend in the covert realm, moving silently from job to job, accomplishing the impossible, and then fading away. And he always hits his target. But there are forces more lethal than Gentry in the world. And in their eyes, Gentry has just outlived his usefulness. Now, he is going to prove that for him, there's no gray area between killing for a living-and killing to stay alive.

In 1939, a secret airship departed Nazi Germany in the dark of night filled with some of the most influential people of its time. Its cargo: a complement of rich Jewish families carrying their most valuable possessions. One such item among them was as dangerous as it was priceless. The airship never reached its destination. In 2015, Sam Reilly, a marine biologist and wealthy son of shipping mogul James Reilly, discovers a missing clue about the lost airship, and what follows is a violent treasure hunt.

For nearly a decade, Brett Velicovich was at the center of America's new warfare: using unmanned aerial vehicles - drones - to take down the world's deadliest terrorists across the globe. One of an elite handful in the entire military with the authority to select targets and issue death orders, he worked in concert with the full human and technological network of American intelligence - assets, analysts, spies, informants - and the military's elite operatives to stalk, capture, and eliminate high-value targets in al-Qaeda and ISIS.

US Marshal Arliss Cutter is a born tracker. Raised in the swamplands of Florida, he honed his skills in the military, fought in the Middle East, and worked three field positions for Marshal Services. When it comes to tracking someone down - or taking someone out - Cutter's the best. But his newest assignment is taking him out of his comfort zone to southeast Alaska. Cold, dark, uninhabited forests that are often shrouded in fog. And it's the kind of case that makes his blood run cold.

Army veteran Mason Sharpe's world is turned upside down when his beloved fiancée is killed in a random shooting. Struggling to cope with his grief, Sharpe instinctively heads for the North Carolina town where he and his bride had planned to honeymoon. Alone on a beach, contemplating a future which now seems bleak and empty, he stares into the abyss. But then… A body washes ashore. An investigation begins and the police quickly pronounce an accidental death. But Mason isn't buying it. He believes the man was murdered and someone is trying to cover it up.

Unverified reports tell of a hidden treasure trove deep beneath the Owl Mountains in Poland. Many have tried, but all have failed to locate the legendary Nazi gold train. Jack Reilly mourns the loss of his grandmother, a Holocaust survivor, and an esteemed historian. In memory of her, the retired Delta operator tours the place of her imprisonment, the Auschwitz-Birkenau State Museum, site of the infamous Nazi concentration camp.

Lincoln Rhyme, former head of NYPD forensics, was the nation's foremost criminalist until an accident left him a quadriplegic. He remains bitter and reclusive after the accident until a criminal report of a corpse found buried on a deserted West Side railroad track catches his attention. His search leads him to the Bone Collector, whose obsession with old New York is apparent in every clue he leaves for Rhyme and partner Amelia Sachs.

When 22-year-old Candy goes missing on a popular hiking trail, suspicion falls on her recently paroled ex-boyfriend. It was Candy's testimony that got him put away...and now he's after revenge. The ensuing manhunt leads Savage and his team into the unforgiving Colorado mountains, where avoiding the wild animals are the least of their worries. Just when they think they've got their man, a new development spins the case on its head. Who was Candy really running from? And are they still after her?

Former CIA operative turned mercenary for hire Ryan Decker’s specialty is rescuing kidnap victims. Hired by an influential US senator to liberate her daughter from a human-trafficking ring, Decker never anticipated sabotage or that the assault could go so disastrously wrong. The hostage is dead. His team is wiped out, and so are their families, including Decker’s own wife and son - eliminated one by one by the Russian mafia. And he’s survived to take the fall.

When those inside the corridors of power need help outside the law, they know who to call. Jonathan Grave, covert rescue specialist, always gets results. No names. No feds. No trace evidence.

Former FBI profiler Adrian West is in Rome for a history conference when she learns that her friend and colleague, Dr. Sebastian Rossi, has been abducted.

One man—visionary billionaire restaurant chain magnate T. R. Schmidt, Ph.D.—has a Big Idea for reversing global warming, a master plan perhaps best described as “elemental.” But will it work? Ranging from the Texas heartland to the Dutch royal palace in the Hague, from the snow-capped peaks of the Himalayas to the sunbaked Chihuahuan Desert, Termination Shock brings together a disparate group of characters from different cultures and continents who grapple with the real-life repercussions of global warming.

The FBI doesn't believe it. The governor wants the problem to disappear. But Agent Judy Maddox knows the threat is real: an extreme group of ecoterrorists has the means and the know-how to set off a massive earthquake of epic proportions. For California, time is running out. Now Maddox is scrambling to hunt down a petty criminal turned cult leader turned homicidal mastermind. Because she knows that the dying has already begun.

From a secretive jungle-covered island in the Pacific, to the sands of the Middle East. From the smog-filled alleyways of China, to the passageways of a US Navy destroyer. The War Planners series follows different members of the military and intelligence community as they uncover the beginnings of a Chinese invasion.

Zombies are real. And we made them. Are you prepared for the zombie apocalypse? The Smith family is, with the help of a few marines. When an airborne "zombie" plague is released, bringing civilization to a grinding halt, the Smith family, Steven, Stacey, Sophia, and Faith, take to the Atlantic to avoid the chaos. The plan is to find a safe haven from the anarchy of infected humanity. What they discover, instead, is a sea composed of the tears of survivors and a passion for bringing hope.

When Jordan Sandor resigned from active service with the Central Intelligence Agency, it was before September 11th, before the fall of Saddam Hussein, and before the world had so dramatically changed. He is reluctantly drawn back into action when a series of violent events leads him to suss out a new al-Qaeda conspiracy to initiate cataclysmic assaults with poison gas.

He was one the best Marine snipers in Vietnam. Today, 20 years later, all Bob Lee Swagger wants is to be left alone. But a shadowy military organization seduces him into one last mission for his country - unaware until too late that the game is rigged. The assassination plot is executed to perfection until Bob Lee Swagger, alleged lone gunman, comes out of the operation alive, the target of a nationwide manhunt, with his only allies a woman he just met and a discredited FBI agent.

The West's own governments are giving up, have already lost, or are leading the charge to something else. This doesn't sit well with those who believe in liberty. This is the story of a people who have lost the political fight, they've lost the culture wars, they haven't seen a level playing field in a generation, and they are about to be made serfs. None of that matters. They're leaving....

Tower 7 has gone completely dark, and security androids are killing civilians. No one knows what has become of the tower's 520,000 residents or who is responsible for the mysterious assault, but the priority of the mission is clear. Tycho and Gabriel must breach the tower, investigate the missing civilians, and locate the one responsible…all while trying to stay alive.

The global village: an intricately intertwined network of technology that binds together the world's economies, governments, and communication systems. So large, so vital, and so fragile. Now a sophisticated group is seeking to "disconnect the globe" by destroying computer grids, communications satellites, Internet cable centers, and biotech firms. Hard to do? If only that were so.

Crossover is the first novel in a series which follows the adventures of Cassandra Kresnov, an artificial person, or android, created by the League, one side of an interstellar war against the more powerful, conservative Federation. Cassandra is an experimental design - more intelligent, more creative, and far more dangerous than any that have preceded her. But with her intellect come questions, and a moral awakening. She deserts the League and heads incognito into the space of her former enemy, the Federation, in search of a new life.

Matthew Riker keeps to himself, doesn't cause trouble, and never talks about his past. But after a chance encounter with a woman and a small child on the run, Riker will have to make a choice: use his hard-won skills to protect two innocent victims, or stay in the safety of his quiet life. What follows is an adrenaline-soaked thrill ride that will take Riker on a cross-country chase, through the seedy underbelly of a New York criminal empire, and into the darkest places of the human heart.

Tom Novak is a troubled soul with a dark and bloody past. A former refugee, Royal Marine and member of the elite Special Reconnaissance Regiment, he now finds himself struggling with the deadening routine of day-to-day policing. When he is deployed undercover to infiltrate a gang of people traffickers, things go badly wrong. Faced with an impossible choice, his cover is blown, and he finds himself on the run from the Serbian mafia and even his fellow police colleagues.

For nearly a decade, Brett Velicovich was at the center of America's new warfare: using unmanned aerial vehicles - drones - to take down the world's deadliest terrorists across the globe. One of an elite handful in the entire military with the authority to select targets and issue death orders, he worked in concert with the full human and technological network of American intelligence - assets, analysts, spies, informants - and the military's elite operatives to stalk, capture, and eliminate high-value targets in al-Qaeda and ISIS.

Earth. After the invasion. The planet is in ruins. Humankind struggles to survive. Hayden is a Sheriff in a world without law. A good man in a world gone bad. He knows the fallout of an alien attack when he sees it. He's never seen anything like this before. Isaac is a Marine in a world without order. A good man with troubles of his own. His mission was to protect the innocent, including his son. Instead, he's the only survivor.

The West has been devastated by epidemics, bio-terrorism, war, and famine. Asia has shut its borders to keep the threats at bay, and some with power and influence have already abandoned Earth. Now an escape route a century in the making - the Nomad mission - finally offers hope to a small town and a secret research centre hidden in a rural American backwater. Shrouded in lies and concealed even from the research centre's staff, Nomad is about to fulfil its long-dead founder's vision of preserving the best of humanity to forge a new future. But who decides who's worthy?

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.

Twenty years ago, a terrified young boy was abducted in the middle of the night by masked intruders while his sister watched, paralyzed with fear. Returned after a harrowing nine months with his captors, Thea's brother has never been the same. This life-shattering experience drove Thea to become what she is today: a world-class freedom broker. Most hostage-recovery work is done at the negotiation table, but when diplomacy fails, Thea leads Quantum Security International's black-ops team on highly sensitive rescue missions.

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.