Kelly, Justin, and Otto return in a riveting near-future thriller. The Enigma Cube is an alien object of unlimited power, with technology that can catapult civilization to dizzying heights--or destroy it entirely. Kelly Connolly and Justin Boyd are determined to wield its power for good. But China has a cube of its own, and its motivations are much less benign . . .Otto Richter is an unparalleled genius. To save his own life and reunite with Kelly...

"Nathan Wexler is a brilliant physicist who thinks he's found a way to send matter a split second back into the past. But before he can confirm his findings, he and his wife-to-be, Jenna Morrison, find themselves in a battle for their very lives. Because while time travel to an instant earlier seems useless, Jenna comes to learn that no capability in history has ever been more profound or far-reaching"--Back cover.