The Codebreaker's DaughterThe Codebreaker's Daughter

"Once, Lillian cracked ciphers during WWI. Now, her daughter, Dinah, is trapped doing clerical work for the WWII OSS even as Lillian herself, hesitant to return to wartime work, is drawn to Washington, D.C., by an old friend. Yet mother and daughter soon find D.C. has its own secrets, ones they must come together to protect"--