A female codebreaker puts her future and her heart on the line in a stirring novel about love, loyalty, betrayal, and Cold War spy games by the bestselling author of The Secret Stealers. 1947: Adventurous Radcliffe graduate Catherine "Cat" Killeen cancels her wedding and upends a future that no longer suits her. At the behest of her professor and hungry for a challenge, Cat arrives in Virginia to work on a confidential military...