White Bone

John Knox and Grace Chu, the incomparable duo of the Risk Agent novels, team up again in the latest international thrill ride from New York Times–bestselling author Ridley Pearson.

When ex–military contractor John Knox receives a text from partner Grace Chu warning that she fears her cover may have been blown while on assignment, he jumps into action. Knox must locate her overseas handlers, convince them of the threat, and then attempt to retrace the well-hidden steps of a woman who had be...