Arkangel: A Sigma Force Novel BY James Rollins

From the #1 New York Times bestselling master of international thrillers comes a pulse-pounding adventure that spans the globe, blending ancient myths with high-stakes intrigue.

The execution of a Vatican archivist near the Kremlin unveils a centuries-old conspiracy tracing back to the era of the Russian Tsars. Before his death, the archivist manages to send a cryptic warning about a hidden threat linked to the Golden Library of Tsars, a legendary archive long lost to history.

As nations scramble to uncover the truth behind this chilling discovery, Sigma Force is called into action. Their mission is twofold: locate the missing ancient texts and uncover the secrets of a lost continent buried in the Arctic. However, Sigma Force faces its own crises, with a devastating attack on the National Mall leaving their covert agency compromised and vulnerable.

The escalating conflict pits the resurgent Russian Orthodox Church against the Vatican, igniting tensions that threaten to engulf the Arctic in flames. With enemies encircling them on all fronts, Commander Gray Pierce and Sigma Force must navigate treacherous waters and unravel a mystery that spans millennia.

As they delve into the secrets of a vanished civilization and a powerful treasure that could either save or doom the world, the stakes have never been higher. In this gripping thriller, the fate of the planet hangs in the balance as Sigma Force races against time to uncover the truth and prevent global catastrophe.