Decades ago, a mysterious treasure vanished in the middle of the night. But the secrets it held were worth more than gold. The thrilling follow-up to The Secret of the Stones sends former government agent Sean Wyatt and his sidekick Tommy Schultz from the deserts of the American southwest to the hills and jungles of Ecuador in a race to find the mysterious lost treasure. The treasure is somehow linked to the legendary Lost Chambers of Gold that has remained hidden for thousands of years. But the chambers hold a deeper secret, one on which an evil mastermind has his sights set.

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.

Sean Wyatt quit working for the United States government years ago but after recent events, he's come to realize his particular set of skills might still be needed to keep the world a little safer. With an evil mastermind behind a twisted plot, Sean is on the clock with less than 72 hours to find a Nazi device known as die glocke [the bell] before a for-profit terrorist cell known as The Black Ring executes an innocent woman. 

Could you sacrifice the lives of millions to save your daughter? When an archaeologist's daughter is abducted, he must find a powerful ancient relic to save her life but at the cost of millions of lives. Or is there another option?

Sean Wyatt just wants bullets to stop flying his way. He did his time as a government agent and as an artifact recovery specialist for the IAA. Now he just wants some peace and quiet, but when he rescues a friend from being executed in the mountains of Tennessee, Sean and his sidekick Tommy Shultz are thrown into a high octane game of cat and mouse with a wealthy Frenchman who will stop at nothing to get his next prize.

For millennia, stories of God’s greatest prophets have inspired Christians across the world, urging them toward the kind of faith that compelled these celebrated sages of old. But one modern madman wants that power for himself - to conquer a world he views as filled with unrepentant sinners as he ushers in a new age of religious rule.

In France, a member of a secret guild is killed for the secrets he keeps. In Croatia, a stronghold is breached, and a treasure is stolen. At the Vatican, a corrupt pontiff views Kimball Hayden as a threat to his rule. When a Croatian stronghold is breached and scores are killed, a religious icon is stolen that contains a dark particle that’s powerful enough to either create worlds or destroy them. With a corrupt pontiff who sees Kimball Hayden as a threat to his power, Pope Clement XV mobilizes the Vatican Knight without his team to retrieve the dark particle.

During a visit to the United States, Pope Pius XIV is caught within the crosshairs of a lethal assassin. After scores of people are killed during an event featuring the Pope's address, a conspiracy theory emerges that the killings were conducted by one of the CIA’s own. As the data trickles in, it becomes clear that the assassin is none other than Shari Cohen. 

The half-mad explorer Dante Caruso swears he’s found a fabled Russian relic called the Amber Room, and he’s attracting the wrong kind of attention. A ruthless team of Ukrainian relic hunters called R24 has kidnapped him and his family; they want to know where the Amber Room is - and they’ll spill blood to find it. Nobody knows treasure hunting like Guy Bodie and his crew. But abduction is the last thing they expect. 

In Virginia, a Blacksite facility is assaulted with military sophistication to free a homegrown terrorist who once attempted to assassinate FBI Specialist Shari Cohen. Within days, two of America’s most iconic symbols of freedom are razed. In Rome, Kimball Hayden’s demons are at their worst, the man becoming a shell of his former self. But when he learns that Shari Cohen’s assassin is on the loose, he embarks on a trip of rediscovery that unites him with the woman he loves.

Before Kimball Hayden became a Vatican Knight, he was the commander of the Pieces of Eight, a kill squad that worked as part of a black-arm force of the CIA. He kills with impunity and acts with the cold fortitude of a machine. But when he begins to question the morality of his actions and the motives of his superiors, he is placed within the crosshairs by high-end principals who want to see him dead.

An ancient secret means the difference between life or death in this chilling thriller. When the body of a poetry professor is found tortured in a deserted barn outside Florence, Inspector Perini is assigned to the case. No murder of passion, it is clearly a professional job. When, hours later, thieves break into Dante’s cenotaph, it seems the two crimes may be connected by some missing verses from the Divine Comedy. They could contain a code so valuable someone is willing to murder for it. But who? And why?

When Juan Cabrillo and the crew of the Oregon answer a distress call from a research ship, nothing can prepare them for what they find. A strange and dangerous toxin has left the crew helpless, unable to move or speak. And when a further attack leaves hundreds more paralysed, Juan and his team must race to find an antidote before the damage becomes permanent. Their search for answers leads to a Roman soldier's long-lost testimony, revealing ancient events that strangely parallel their own.

In central Syria, villages are razed as young men are conscripted to join the ISIS faction. In a Doctors Without Borders camp which is overrun by members of the Islamic State, people are abducted along with a priest Father Savino. He also happens to be the brother of the Vatican’s Secretariat of State. From the green zone in Iraq, Shari Cohen, now a CIA consultant and operator, learns that she must appropriate intel from the resurging ISIS force to stop them from striking international targets.

Along the chain of Himalayan mountains sits a precipice that serves as a gateway into Mount Everest. Teaming up with Ben Peyton and his crew of elite soldiers who are joined by a Chinese special-ops unit, they quickly discover that the mountain had been hollowed out to contain an entire valley filled with temples and pyramids. As the teams push forward to find the secrets of an alleged Great Army that resides within this cavern, they soon uncover the dangers and pitfalls that lead to a grisly truth.