The Codebreaker's Daughter

Dinah Kendall dreamed of a thrilling espionage career; instead, she feels she'll never live up to the expectations of her mother, Lillian, working in Washington, D.C. But Dinah discovers Lillian was a Great War codebreaker, and soon they begin working together on a WWII cipher campaign. Will Dinah unravel a threat to the impending D-day invasion in time?