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.

Charlee Flynn just discovered her parents aren’t really antiquities experts, they’re "black market acquisitions specialists." They're thieves! When an old enemy returns, the Flynns go on the run, and Charlee is forced to become their apprentice. Now, they must track down the accursed Diamond of Despair. To do so, they need to locate a lost pirate sanctuary linked to the legendary Anne Bonny. Adventure, betrayal, and danger await as they race to claim the treasure before time runs out.

Amid the grandeur of the Vatican, the bones of Saint Peter—the Church’s most sacred relics—hold secrets that could reshape its history. Father Michael Dominic, Prefect of the Vatican Secret Archives, uncovers a mysterious, nearly forgotten inscription linking Linus, Saint Peter’s first successor, to foundational decisions that shaped the early Church. What begins as a scholarly exploration of Linus’s legacy quickly turns into an urgent quest to protect the truth.

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?

Relic smuggler and expert thief Guy Bodie is a tough man in a dangerous world, loyal only to his elite team of five. But when one of them betrays him, landing Guy in a hellish Mexican prison, he finds himself making a bargain with the most unlikely new ally: the CIA. There is a catch. In return for being released from jail, Guy must help the CIA solve the most audacious heist in history. As Guy knows, six of the Seven Wonders of the World have long been lost. But with the help of the CIA, he learns that the destroyed Statue of Zeus still exists - and it’s in the hands of a powerful secret society.

Former Blackhawk pilot Luke Angel wants nothing more than to enjoy the easy life he’s found in coastal Florida. He’s got a seaplane business, a well-trained dog, and a loyal and lovable crew to throw back margaritas with. But when a plane belonging to a friend goes missing from Luke’s airport, local detectives are understandably baffled. Clues are scattered from the Keys to the far side of the Gulf of Mexico, and Luke may be the only one with the connections to piece the puzzle back together.

Defense Intelligence Agency operative Matt Drake broke a promise. A promise that cost three people their lives and crippled his best friend. Three months later, he's paralyzed by survivor's guilt and haunted by the memories of the fallen. Matt may have left Syria, but Syria hasn't left him. In the midst of his self-imposed exile, Matt is dragged back into the world of espionage and assets that he tried to forget. A Pakistani scientist working for an ISIS splinter cell has created a terrifying weapon of mass destruction.

When ex-MI5 operative Joe Mason is sent to Rome to guard an elderly professor and his daughter, he thinks he’s in for an easy ride. But on their first day in the Vatican secret archives, a masked assassin gains entry, shoots Joe’s client in cold blood and steals an ancient manuscript. Giving chase, Joe can’t imagine what could lie within those pages that would make someone willing to kill. The search for answers leads Joe and his comrades in a race against time, across continents and into treacherous mountains.

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.