There’s nothing unusual about a new family moving in at 91 Trinity Avenue. Except it’s her house. And she didn’t sell it.

When Fiona Lawson comes home to find strangers moving into her house, she’s sure there’s been a mistake. She and her estranged husband, Bram, have a modern coparenting bird’s nest custody, where each parent spends a few nights a week with their two sons at the prized family home to maintain stability for their children. But the system built to protect their family ends up putting them in terrible jeopardy. In a domino effect of crimes and misdemeanors, the nest comes tumbling down.

Now Bram has disappeared and so have Fiona’s children. As events spiral well beyond her control, Fiona will discover just how many lies her husband was weaving and how little they truly knew each other. But Bram’s not the only one with things to hide, and some secrets are best kept to oneself, safe as houses.

To protect his niece and uncover the truth, Painter will ignite a war across the nation’s most powerful intelligence agencies. Yet, an even greater threat looms as events in the Rocky Mountains have set in motion a frightening chain reaction, a geological meltdown that threatens the entire western half of the U.S.

From the volcanic peaks of Iceland to the blistering deserts of the American Southwest, from the gold vaults of Fort Knox to the bubbling geysers of Yellowstone, Painter Crowe joins forces with Commander Gray Pierce to penetrate the shadowy heart of a dark cabal, one that has been manipulating American history since the founding of the thirteen colonies.

But can he discover the truth �� one that could topple governments �� before it destroys all he holds dear?

In a masterful epic of timeless mystery and ripped-from-the-headlines scientific intrigue, New York Times bestselling author James Rollins takes mankind to its endpoint, to a fate written in rock and ice in an event known as The Sixth Extinction.

To prevent the inevitable, Commander Gray Pierce and Sigma must decipher a threat that rises out of the distant past, a time when Antarctica was green and Earth’s life balanced on a knife edge. Following clues from an ancient map rescued from the lost Library of Alexandria, Sigma will make a shocking discovery involving a prehistoric continent, and a new form of death buried under miles of ice.

From millennia-old secrets out of the frozen past to mysteries buried deep in the darkest jungles of today, Sigma will face its greatest challenge yet: stopping the coming extinction of mankind.

But is it already too late?

Commander Gray Pierce, and Sigma �� joined by a pair of Vatican historians �� race to uncover a truth tied to the fall of the Roman Empire, to a mystery bound in the roots of Christianity's origins, and to a weapon hidden for centuries that holds the fate of humanity.

From the depths of the Indian Ocean, a horrific plague has arisen to devastate humankind--a disease that's unknown, unstoppable . . . and deadly. But it is merely a harbinger of the doom that is to follow. Aboard a cruise liner transformed into a makeshift hospital, Dr. Lisa Cummings and Monk Kokkalis--operatives of SIGMA Force--search for answers to the bizarre affliction. But there are others with far less altruistic intentions. In a savage and sudden coup, terrorists hijack the vessel, turning a mercy ship into a floating bio-weapons lab.

A world away, SIGMA's Commander Gray Pierce thwarts the murderous schemes of a beautiful would-be killer who holds the first clue to the discovery of a possible cure. Pierce joins forces with the woman who wanted him dead, and together they embark upon an astonishing quest following the trail of the most fabled explorer in history: Marco Polo. But time is an enemy as a worldwide pandemic grows rapidly out of control. As a relentless madman dogs their every step, Gray and his unlikely ally are being pulled into an astonishing mystery buried deep in antiquity and in humanity's genetic code. And as the seconds tick closer to doomsday, Gray Pierce will realize he can truly trust no one, for any one of them could be . . . a Judas.

A continent away, madness ravages a remote monastery high in Nepal, as Buddhist monks turn to cannibalism and torture. Lisa Cummings, a young American doctor investigating the atrocity, is suddenly a target of a brutal assassin working for clandestine forces that want the affair buried at any cost. Lisa's only ally is a hidden pilgrim, Painter Crowe -- director of SIGMA Force, an elite command of American scientists and Special Forces operatives -- who is already showing signs of the baffling malady that destroyed the minds of the monks.

Now it is up to Gray Pierce to save both Painter and Lisa -- and a world in jeopardy -- as SIGMA Force races to expose a century-old plot that threatens to destroy the current world order . . . and alter the destiny of humankind forever.

Combining the historic scope of The Da Vinci Code with the relentless thrills of today's best action novels, James Rollins's Black Order is a classic adventure -- an ingenious and breathtaking tour de force that explodes with revelations . . . while offering a startling new view of our place in the grand scheme of existence.