A heartrending novel of courage and resilience inspired by the true story of a female Civil War spy

September 1862. Hattie Logan is a restless young woman with a strong will and an effervescent spirit. When war ignites, she escapes her privileged family and prim finishing school to join Allen Pinkerton's spy agency, burning to make a difference for the Union. As one of Pinkerton's mailroom girls, she uncovers secrets that could change the course of the war. Still, she longs to do more. Dispatched as the courier's wife, she ventures behind enemy lines, where her passion for the man posing as her husband deepens. But from the shadows of Hattie's past, a secret threatens their plans and their lives. A sweeping story of courage and resilience, with rich historical detail and unforgettable characters who will tug at your heart. Book One of the Secrets of the Blue and Gray series featuring women spies in the American Civil War.