Sara has finally confronted the truth: the artifact isn’t Zorathian, isn’t understood, and definitely isn’t under anyone’s control. It chooses its hosts… and it remembers them.

High Command has been hiding the real stakes, the real history, and the real danger — and Castor Ames is now at the center of a test older than any empire.

The Krenn has the Book. Castor still feels it pulling at him. And Sara is racing toward a choice she may not be ready to make.