At Princeton University, a famed geneticist dies inside a biohazard lab. In Rome, a Vatican archaeologist is found dead in St. Peter's Basilica. In Africa, a U.S. senator's son is slain outside a Red Cross camp. The three murders on three continents bear a horrifying connection: all the victims are marked by a Druidic pagan cross burned into their flesh. The bizarre murders thrust Commander Gray Pierce and Sigma Force into a race against time to solve a riddle going back centuries.

In the wilds of Mongolia, a research satellite has crashed, triggering an explosive search for its valuable cargo: a code-black physics project connected to the study of dark energy...and a shocking image of the eastern seaboard of the United States in utter ruin. At the Vatican, a package arrives containing two strange artifacts: a skull scrawled with ancient Aramaic and a tome bound in human skin. DNA evidence reveals that both came from the same body: the long-dead Mongol king Genghis Khan.

A remote military research station sends out a frantic distress call, ending with a chilling final command: Kill us all! Personnel from the neighboring base rush in to discover everyone already dead - and not just the scientists, but every living thing for 50 square miles is annihilated: every animal, plant, and insect, even bacteria. The land is entirely sterile - and the blight is spreading. To halt the inevitable, Commander Gray Pierce and Sigma must unravel a threat that rises out of the distant past.

In Washington, D.C., a homeless man dies in Commander Gray Pierce's arms, shot by an assassin's bullet. But the death leaves behind a greater mystery: a bloody coin found clutched in the dead man's hand, an ancient relic that can be traced back to the Greek Oracle of Delphi.

Galilee, 1025. A cunning Templar knight uncovers a holy treasure: the Bachal Isu - the staff of Jesus Christ - a priceless icon that holds a mysterious and terrifying power that will forever change humanity if unleashed. A millennium later, Somali pirates hijack a yacht off the coast off the Horn of Africa, kidnapping a young pregnant American woman and brutally killing her husband. Painter Crowe and his SIGMA team are enlisted for the top secret rescue mission. The kidnappee is the daughter of the U.S. President.

A series of strange events throws the world into turmoil. As a manned Chinese rocket explodes upon launch, three American astronauts, each separated by thousands of miles, are murdered. Then an archaeologist in Croatia uncovers a new cavern system that reveals elaborate primitive paintings by a tribe of Neanderthals.

If the biblical plagues of Egypt truly happened—could they happen again—on a global scale? Two years after vanishing into the Sudanese desert, Professor Harold McCabe comes stumbling out of the sands, but he dies before he can tell his story. Then an autopsy uncovers a bizarre corruption: someone had begun to mummify the professor's body—while he was still alive. Subsequently, the medical team who had performed the man's autopsy has fallen ill with an unknown disease. Fearing the worst, a colleague of the professor reaches out to Painter Crowe, the director of Sigma Force. The call is urgent, for Professor McCabe had vanished into the desert while searching for proof of the ten plagues of Moses.

A construction project beneath the National Mall reveals a dark secret dating back to the Civil War, something buried by a cabal of scientists, led by Alexander Graham Bell, who helped found the Smithsonian Institution. It is a cache of bones, preserved in amber, protecting a wonder like no other, the very secret of life after death. But such a prize is guarded by a horror out of the ancient past, a horror that still lives in the marrow of those bones - and is now free again.

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.

High in Nepal, a monastery erupts with savagery and madness. Deep in a German mine, abomination wears the innocent face of a child. Hidden in the jungles of Africa, experiments rooted in a dark past have found fertile ground again.

To save the world and our future, Sigma Force must embark on a dangerous odyssey into an ancient past whose horrors are all too present in this pause-resisting thriller from number-one New York Times best-selling author James Rollins that combines cutting-edge science, historical mystery, mythology, and pulse-pounding action.

During a crowded service at a cathedral in Germany, armed intruders in monks' robes unleash a nightmare of blood and destruction. But the killers have not come for gold; they seek a more valuable prize: the bones of the Magi who once paid homage to a newborn savior...a treasure that could reshape the world.

An inexplicable explosion rocks the antiquities collection of a London museum and the race begins to determine how it happened, why it happened, and what it means. Lady Kara Kensington's family paid a high price in money and blood to found the gallery that now lies in ruins. Her search for answers leads Kara and her friend Safia al-Maaz, the gallery's curator, into a world they never dreamed existed.

In the wilds of Mongolia, a research satellite has crashed, triggering an explosive search for its valuable cargo: a code-black physics project connected to the study of dark energy — and a shocking image of the eastern seaboard of the United States in utter ruin. At the Vatican, a package arrives containing two strange artifacts: a skull scrawled with ancient Aramaic and a tome bound in human skin. DNA evidence reveals that both came from the same body: the long dead Mongol king Genghis Khan.   

Author of numerous New York Times best sellers, James Rollins captivates listeners with his thrilling Sigma Force series. This sixth book features Commander Gray Pierce in a race against time to solve an ancient riddle - one that prophesies the world's destruction. Pierce will have to journey from the Roman Coliseum to the icy peaks of Norway to uncover the Doomsday Key in time.