A war is approaching, a battle that may stretch in the prehistoric forests from the ancient past towards the cutting-edge study labs of today, all to reveal a genuine mystery buried deep in your DNA, a mystery that may leave readers changed forever .

In this groundbreaking masterpiece of ingenuity and intrigue that spans 50,000 years in history, New York Times bestselling author James Rollins takes us to mankind’s next great jump.

But does it mark a new chapter in our development . . . or about The Bone Labyrinth: A Sigma Force Book our extinction?

In the remote mountains of Croatia, an archaeologist makes a strange discovery: a subterranean Catholic chapel, hidden for years and years, holds the bone fragments of a Neanderthal woman. In the same cavern program, elaborate primitive paintings inform the story of an immense battle between tribes of Neanderthals and monstrous shadowy statistics. Who’s this mysterious foe depicted in these historic drawings and what do the paintings mean?

Before any answers could be made, the investigative team is attacked, while at the same time, a bloody assault is manufactured upon a primate research center beyond Atlanta. How are these events connected? Who’s behind these episodes? The search for the truth will take Commander Gray Pierce of Sigma Force 50,000 years in to the past. As he and Sigma track the evolution of human intelligence to its true source, they’ll be plunged into a cataclysmic battle for future years of humanity that stretches throughout the world . . . and beyond.

With the fate of our future on the line, Sigma embarks on its most harrowing odyssey ever-a breathtaking quest that may take them from ancient tunnels in Ecuador that span the breadth of SOUTH USA to a millennia-old necropolis holding the bones of our ancestors. On the way, revelations relating to the lost continent of Atlantis will reveal true mysteries tied to mankind’s first actions on the moon. In the end, Gray Pierce and his team will face to their best threat: an ancient bad, resurrected by contemporary genetic science, strong enough to effect a result of the finish of man’s dominance upon this planet.

Only this time around, Sigma will falter-and the world we know will change forever.