Tides of Fire (Sigma Force Series)

INSTANT NEW YORK TIMES BESTSELLER

In the latest riveting thriller from the #1 New York Times bestselling author, an international research station in the Coral Sea comes under siege during a geological disaster that triggers massive quakes, deadly tsunamis, and volcanic eruptions. To stop the world from burning, it's up to Sigma Force to uncover a secret buried at the heart of our planet.

The Titan Project-an international research station off the coast of Australia-discovers a thriving zone...