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.

The Silurian Period, approximately 420 million years ago. A time even before the dinosaurs. Evolution was just beginning to flex its muscles, and on land and in the sea, new creatures were evolving. In this strange world arrive a team of time travelling North Korean agents with one goal – change the past and alter the future. And if they are successful, the United States may never exist. Following them back in time are Alex Hunter and his team of elite HAWCs. And for Alex Hunter, this mission is personal.

In the sun-soaked Bahamas, a long-lost diary belonging to the notorious pirate Anne Bonny surfaces, revealing the existence of a clandestine buccaneer sanctuary turned tomb—all centered around a single jewel, the Diamond of Despair. Can it be found? And more importantly, should it be found? The Flynn family is about to confront these perilous questions head-on.

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....

While on a visit to the United States, Pope Pius XIII is kidnapped by a terrorist cell calling itself the Soldiers of Islam. If the United States and its allies do not meet their demands, they will execute the pope. FBI Specialist Shari Cohen is called to duty to track down the terrorist cell responsible, and she soon learns that she is not alone.

Deep behind the Vatican walls, a secret order dispatches a clandestine group of elite commandos known as the Vatican Knights. Their mission: bring the pope back alive.

It is 1938, and antiques dealers Rick and Rose Sinclair come across an old journal. It tells an explorer’s tale of sighting the queen’s lost temple, but his porters forcing him to turn back, terrified by myths of the temple’s protection by giant monsters and the queen’s avaricious ghost. The Sinclairs will find that all the legends were true. The temple does exist. The treasure is still there. And it is all defended by giant creatures bent on slaughtering any who trespass. Will Rick’s cunning and Rose’s intellect be enough to survive the dangers of the temple of the queen?

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.

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.

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.

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?