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.

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.

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?

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.

Chase Baker is a true Renaissance man. He’s also a man who knows how to find trouble. A part-time resident of Florence, Italy, his resume reads like a modern day Da Vinci or Casanova. Writer, private investigator, tour guide, historian, treasure hunter, adventurer, and even archaeological sandhog, Chase is also a prolific lover. Unfortunately for him, his dangerous liaisons all too often make him the target of a jealous husband.

When a mysterious client asks former Delta Force operator Case Lee to investigate a rebellion in South America, he uncovers an incredible global conspiracy. Welcome to revolution, murder, and behind-the-curtains intrigue. As events unfold, the spies and mercenaries come to a hard realization. You may mess with a lot on this good earth, but you don't mess with Case Lee.

In the summer of 1601, Galileo Galilei made a startling discovery in the mountains of Eastern Italy that, if made public, could shatter faith in religion, bring down governments, and lead to worldwide turmoil. For more than 400 years, the secret has been guarded by a small group of incredibly powerful people, willing to do everything in their power to keep these discoveries from being made.

When former MI6 agent turned archaeologist Dr Ava Curzon is engaged by American intelligence to track down an African militia claiming to hold the Ark of the Covenant, she is plunged into a world where nothing is what it seems. Her breakneck descent into the shadowy realm of dark biblical magic hurls her across continents and into the opaque worlds of the Knights Templar, freemasons, occultists and extremist neo-Nazis, pushing her mentally and physically to the limits.

Maxwell Barnes is an archeologist and the son of an archeologist. He and his companion, friend, and brother since youth, Axel Morales, have been treasure hunting for their benefactor Myron Crabtree, in the jungles of Guatemala. This area, not coincidentally, is also rumored to be the location of the last great city of the Maya, the legendary Ahrum. When Max meets a man who appears to be a young Mayan skateboard punk, his entire world is turned upside down as he hears the true story of the city’s demise, and of the Crystal of Ahrum.

Join Gabriel Dunne, clandestine treasure hunter, in a race against time to save his dying friend. With his loyal team by his side, Gabriel must navigate treacherous landscapes, solve perplexing puzzles, and outwit ruthless adversaries on a global quest to find the legendary Pendant of God, a mystical artifact rumored to possess an extraordinary healing ability. But the pendant is also rumored to harbor the potential for devastating destruction. And when it falls into the wrong hands, the fate of the entire world hangs in the balance.