A 4,000-year-old mystery lurks in the hills of Georgia. While investigating a strange series of ancient symbols, an archaeologist vanishes, and a professor he entrusted with the secret is murdered. Former government agent Sean Wyatt learns of his friend's disappearance and the murder. Now he must unravel the clues to the ancient mystery that holds incredible power.

Since the dawn of civilization, a hidden hand has gripped mankind. Operating in darkness with limitless wealth and power, this ancient Shadow Caste has controlled every major event in human history - mass migrations, revolutions, plagues, even two world wars. But now these ancient “caretakers” want to change the global experiment. Civilization is too successful, they believe, and our overpopulation threatens the existence of all life on earth.

Out of work and on the run after a shocking betrayal by his brothers-in-arms, the ex-Special Forces commando hasn’t stopped moving for months. He can’t. Some of the same soldiers who left him for dead in the Middle East still want his head. And they’re getting closer. So far, he’s been lucky. But Dak is low on money and nearly out of time. All he needs is an easy gig. A place to lie low, bank some cash, and quietly figure out his next move.

At first, Dr. Gideon Wolf thinks the guy standing in front of him is insane. Ten million bucks for what amounts to a glorified treasure hunt. Ten million dollars, this man offers him, to find a mythical amulet based on, apparently, some maps he printed off the internet and his outsized faith in make-believe. Turns out the unwelcome interlocutor isn’t just some garden-variety kook. He’s Vicente Carrillo, the world’s most feared drug lord, and Gideon learns fast that the deal is nonnegotiable.

Harry Fox hunts artifacts for the Italian mob. When a forgotten manuscript suggests Great Britain's most famous king may not be fiction, Harry plunges headlong on a dangerous path to uncover the truth. Little does he know a shadowy alliance with ties to three of mankind's most powerful organizations follows his every move, desperate to stop him before he can uncover the truth behind the legend. Surrounded by enemies, Harry barrels across the globe and discovers the myth of King Arthur is far more real than anyone ever imagined. Can Harry survive to reveal the true story?

During the election of a new Pope in the mid-18th century, famed violinist Antonio Vivaldi learns of a ring of art forgers who are replacing the Vatican’s priceless treasures with expertly-painted fakes. Desperate, the composer hides a message in a special melody, hoping someone, someday, will take down the culprits....

Antiquarian bookseller Robin Jessop has acquired a strange medieval volume. What appears to be a book is a cleverly disguised safe, in which she finds a single rolled parchment, written in code. For encryption expert David Mallory, the text is impenetrable. Until an invaluable clue opens the door to a conspiracy, stretching back seven centuries. Now Jessop and Mallory find themselves on a desperate hunt that could change history, topple an empire and bury them both alive. Because soon they’re not only the hunters. They’re also the hunted.

Archaeologist Nina Wilde believes she has found the location of the lost city of Atlantis, and now she wants the opportunity to prove her theory. Someone else though wants her dead! With the help of ex-SAS bodyguard Eddie Chase and beautiful heiress Kari Frost, Nina faces a breakneck race against time around the world, pursued at every step by agents of the mysterious and murderous Brotherhood of Selasphoros.

Luke Daniels is in London, between assignments with the Magellan Billet, when he receives a frantic call from an old friend. Jillian Stein is in trouble. She made a mistake and now her life may be in danger. She needs Luke’s help. Immediately. Racing to Belgium Luke quickly finds that she was right. A shadow team of highly-trained operatives are there on the hunt. Intervening, he finds himself embroiled in a war between two determined sides—one seeking the truth, the other trying to escape the past—a war that has already claimed one life and is about to claim more.

The Ghent Altarpiece is the most violated work of art in the world. Thirteen times it has been vandalized, dismantled, or stolen. Why? What secrets does it hold? Enter UNESCO investigator, Nicholas Lee, who works for the United Nations’ Cultural Liaison and Investigative Office (CLIO). Nick’s job is to protect the world’s cultural artifacts—anything and everything from countless lesser-known objects to national treasures. When Nick travels to Belgium for a visit with a woman from his past, he unwittingly stumbles on the trail of a legendary panel from the Ghent Altarpiece.

Nora Kelly, a young archaeologist in Santa Fe, receives a letter written 16 years ago, yet mysteriously mailed only recently. In it her father, long believed dead, hints at a fantastic discovery that will make him famous and rich - the lost city of an ancient civilization that suddenly vanished a thousand years ago. Now Nora is leading an expedition into a harsh, remote corner of Utah's canyon country, but what she unearths will be the newest of horrors.

Fully armed and with all hands onboard, the nuclear submarine Starbuck sailed into the calm Pacific Ocean for sea trials - and vanished. No wreckage, no signals, no survivors: nothing...until ace maritime troubleshooter Dirk Pitt finds a single chilling clue in the shark-torn surf off Hawaii - the log of the Starbuck. 'Do not search for us, it can only end in vain....' A crazed journal of madness and death is all that remains.

Cotton Malone, one-time top operative for the U.S. Justice Department, is enjoying his quiet new life as an antiquarian book dealer in Copenhagen when an unexpected call to action reawakens his hair-trigger instincts—and plunges him back into the cloak-and-dagger world he thought he’d left behind.

Jesuit Priest Michael Dominic’s assignment to the Vatican’s legendary Secret Archives results in his discovery of a hidden papyrus: the unpublished writings of Mary Magdalene - a lost record buried in Rome’s deepest recesses. The forgotten relic’s heretical revelation threatens the Vatican’s very legitimacy, and pits Michael against ruthless and powerful enemies. Desperate, he reaches out to Hana Sinclair, an investigative reporter with a record of tackling contentious subjects.

In 1829, the Portuguese brig Dourado sank off the coast of Indonesia, losing its cargo of priceless treasures from the Holy Land. One of these lost relics holds the key to an ancient mystery. But someone does not want this treasure to come to light. When her father is murdered while searching for the Dourado, Kaylin Maxwell hires treasure hunter and former Navy Seal Dane Maddock and his partner Uriah "Bones" Bonebrake, to locate the wreckage and recover a lost Biblical artifact.

A SINISTER WARLORD RISES IN THE HEART OF AFRICA Beyond the plains of the Serengeti, in the distant shadows of Kilimanjaro, a new new evil has risen. A warlord is building an army with child soldiers he abducted from Tanzanian towns. But the threat he poses isn't just to East Africa. Somehow this rebel has acquired powerful missiles armed with enough nerve gas to wipe out entire cities. Join the adventure in this exhilarating prequel to the series with Government Agent Sean Wyatt and his partner Emily Starks as they travel to Tanzania to foil a warlord's evil scheme and bring his reign of ...

SWORD OF KINGS. SLAYER OF ARMIES. BLADE OF DESTINY.Legend holds that whoever wields this mighty, ancient weapon is invincible, able to vanquish all enemies and rule entire lands. But more than a thousand years after the mythical kingdom of Arthur and his Knights of the Round Table, tales of Excalibur and its exploits have long been considered only that: legend. That is, until an astonishing archaeological find in France convinces former secret agent Sean Wyatt and his sidekick, Tommy Schultz, that even this unlikeliest of myths is rooted in a truth that now threatens the modern world. ...

A POWERFUL SECRET LURKS IN THE LAND DOWN UNDER A mysterious email, a desperate request, and bizarre cave drawings lead to a wild adventure through the Australian outback in search of an artifact as old as time itself. After a museum curator goes missing, and another murdered, Sean Wyatt and Tommy Schultz must decipher the code from a 120 year old document that could alter the course of history of a nation and put incredible power in the hands of a madman. The mysterious relic they seek dates to back to the earliest of Earth's people, the Aborigines, an ancient tribe filled with legends, ...

A LONG FORGOTTEN PAST IS ABOUT TO RESURFACE What if the greatest secret of the US Civil War never made the history books? What if the Union and the Confederacy fought not just for country and principle, but for an ancient source of unlimited, unimaginable wealth and power? While on a classified mission from the president, secret agent turned treasure hunter Sean Wyatt and his sidekick, Tommy Schultz, stumble upon these darkest American mysteries long thought to be lost to history. To guard these truths and the power they conceal, Sean and Tommy must battle a rich and powerful secret society...

A 4,000-year-old mystery lurks in the hills of Georgia. While investigating a strange series of ancient symbols, an archaeologist vanishes, and a professor he entrusted with the secret is murdered. Former government agent Sean Wyatt learns of his friend's disappearance and the murder. Now he must unravel the clues to the ancient mystery that holds incredible power.