Commander Gray Perce and the Sigma Force confront humankind's greatest threat in an adventure that races from the Roman Coliseum to the icy peaks of Norway, from the ruins of medieval abbeys to the lost tombs of Celtic kings. The ultimate nightmare is locked within a talisman buried by a dead saint--an ancient artifact known as the Doomsday Key--and a secret that has already claimed the lives of a famed geneticist, a Vatican archaeologist, and a...

From #1 New York Times bestselling author James Rollins comes a shocking short story, where a chance mishap leads to the discovery of a weapon like no other in . . . Crash and Burn.

On a transatlantic flight, the two black sheep of Sigma Force—Seichan and Kowalski—must set aside their mutual dislike as a mysterious fiery force knocks their aircraft out of the sky. This unlikely duo must use every skill, weapon,

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Two years after vanishing into the Sudanese desert, the leader of a British archeological expedition, Professor Harold McCabe, comes stumbling out of the sands, frantic and delirious, but he dies before he can tell his story. The mystery deepens when an autopsy uncovers a bizarre corruption: someone had begun to mummify the professor's body--while he was still alive. His strange remains are returned to London for further study, when alarming news...

From New York Times bestselling author James Rollins comes a thrilling short story that delves deep beneath the city of Paris to a dark necropolis, where the only means for escape is...The Skeleton Key.

Seichan is ripped out of the Sigma series for an adventure all her own—but can she survive? The beautiful and elusive assassin wakes in a hotel in Paris with a deadly electronic collar fastened to her throat. Joined by a boy who is similarly

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Using his father's watch as a key, Jake intends to return to Calypsos. Instead he's thrust into a strange desert land where he's joined by his friends Marika, Pindor, and Bach'uuk and his sister, Kady. As they try to figure out what to do next, a surprise attack by the beautiful young Princess Nefertiti takes them all captive.

Soon even she is battling the Skull King's minions. For Jake has something the Skull King wants—a prize that

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From New York Times bestselling author James Rollins comes a lightning-paced short story, in which a major attack on U.S. soil can only be stopped by… The Midnight Watch. In the dead of night, a faceless enemy hacks into the Smithsonian Institution's network of servers, but it is only the first strike masking a larger attack. To rescue a biologist trapped in the National Museum of Natural History and to discover the true intent behind an assault...

From New York Times bestselling author James Rollins and award-winning suspense novelist Rebecca Cantrell comes a disturbing story of vengeance, bloodshed, and creatures that prowl the night. In the haunted, war-torn highlands of Afghanistan, amid the ruins of Shahr-e-Gholghol, an archaeology team is massacred in the night. Sergeant Jordan Stone and his crack forensic team are called in to examine the site, to hunt for the perpetrators of this horrific...

Off the coast of Brazil, a team of scientists discovers a horror like no other, an island where all life has been eradicated, consumed and possessed by a species beyond imagination. Before they can report their discovery, a mysterious agency attacks the group, killing them all, save one, an entomologist, an expert on venomous creatures, Professor Ken Matsui from Cornell University. Strangest of all, this inexplicable threat traces back to a terrifying...

The Doomsday Key: A Sigma Force Novel At Princeton University, a famed geneticist dies inside a biohazard lab. In Rome, a Vatican archaeologist is found dead in St. Peters Basilica. In Africa, a US Senator’s son is slain outside a Red Cross camp. Three murders on three continents bear a horrifying connection: all the victims are marked by a Druidic pagan cross burned into their flesh. The Last Oracle: A Sigma Force Novel What if you could bio-engineer...

From New York Times bestselling authors James Rollins and Rebecca Cantrell comes a dark story of murder, mystery, and a brotherhood steeped in a bloody past. As a young reporter, Arthur Crane exposed the secrets behind the Orchid Killer, a cult murderer from the late '60s whose crimes blackened the end of the Summer of Love. Half a century later, Arthur wakes to find an orchid resting on his pillow, a symbol of death from a killer connected to his...