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....

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Dominic’s assignment to the Vatican’s legendary Secret Archives results in his discovery of a hidden papyrus: the unpublished writings of Mary Magdalene - a lost record buried in Rome’s deepest recesses.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.

An experienced former covert operative, James Becker draws on his insider’s knowledge of international espionage to pen gripping thrillers. Detective Sergeant Chris Bronson becomes the target of mafia hitmen when he and his wife—a conservator at the British Museum—investigate the death of two friends. But as their search grows, they begin to realize a greater conspiracy growing around them.

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?

A thrill-seeking Harvard linguistics professor and an ultrasecret branch of the Catholic Church go head-to-head in a race to uncover the secrets of the lost city of Atlantis. The ruins of the technologically advanced, eerily enigmatic ancient civilization promise their discoverer fame, fortune, and power...but hold earth-shattering secrets about the origin of man. While world-famous linguist and archaeologist, Thomas Lourds, is shooting a film that dramatizes his flamboyant life and scientific achievements, satellites spot impossibly ancient ruins along the Spanish coast.

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.

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.

In 2004, as Pope John Paul II's reign enters its twilight, a mysterious exhibit is under construction at the Vatican Museums. A week before it is scheduled to open, its curator is murdered at a clandestine meeting on the outskirts of Rome. The same night a violent break-in rocks the home of the curator's research partner, Father Alex Andreou, a Greek Catholic priest who lives inside the Vatican with his five-year-old son.

An inexplicable explosion rocks the antiquities collection of a London museum and the race begins to determine how it happened, why it happened, and what it means.

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.

Two years ago, a hostile Prime Minister launched the Monochrome inquiry, investigating "historical over-reaching" by the British Secret Service “to investigate historical over-reaching.” Monochrome’s mission was to ferret out any hint of misconduct by any MI5 officer—and allowed Griselda Fleet and Malcolm Kyle, the two civil servants seconded to the project, unfettered access to any and all confidential information in the Service archives in order to do so. But MI5’s formidable First Desk did not become Britain’s top spy by accident, and she has successfully thwarted the inquiry at every turn.

It's one of history's most enduring and controversial legends: the lost city of Atlantis. Archaeologist Nina Wilde is certain she's solved the riddle of its whereabouts - and with the help of reclusive billionaire Kristian Frost, his beautiful daughter, Kari, and ex-SAS bodyguard Eddie Chase, she's about to make the most important discovery in centuries. But not everyone wants them to succeed....

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.

Jacob Snow—elite soldier-turned-CIA agent, haunted by his tortured past—is one of the CIA’s greatest assets and is dispatched when the stakes are highest. When an ancient Egyptian relic goes missing under mysterious circumstances, Jacob knows this is no run-of-the-mill robbery: The relic holds a secret—one that could destroy everything.

Summoned to Rome by an old friend, a Jesuit scholar finds himself using a code discovered in the Bible to unearth an ancient, hidden chapel in the catacombs under the city. When a rogue force of Vatican security officials are alerted to his discovery, the priest flees to the Holy Land with a clue...a clue that will lead him and a team of Israeli Christians to a much larger secret in the middle of the barren Negev Desert.