"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 of life in an otherwise dead sea. The area teems with a strange bioluminescent coral that defies science, yet holds great promise for the future. But the loss of a military submarine in the area triggers a brutal attack and sets in motion...

Ex-Navy SEAL Jack Kirkland surfaces from an aborted underwater salvage mission to find Earth burning. Solar flares have triggered a series of gargantuan natural disasters. Earth-quakes and hellfire rock the globe. Air Force One has vanished from the skies with America's president on board. Now, with the United States on the narrow brink of a nuclear apocalypse, Kirkland must pilot his oceangoing exploration ship, Deep Fathom, on a desperate mission...

"This book shows readers the awesome power of earthquakes"--