"The author of the "magnificent...complex, vivid" (New York Journal of Books) Sin Eater returns with a rousing and propulsive novel based on the astonishing true story of the first female Pinkerton detective whose next assignment could end the Civil War. Kate Warner is many things: the country's first female detective, a Pinkerton agent, and a union spy. It's August 1863, and her latest assignment could finally end the bloody war and bring the fractured...

For three years, Detective Jude Fontaine was kept from the outside world. Held in an underground cell, her only contact was with her sadistic captor, and reading his face was her entire existence. Learning his every line, every movement, and every flicker of thought is what kept her alive. After her experience with isolation and torture, she is left with a fierce desire for justice--and a heightened ability to interpret the body language of both the...