Mr. Churchill's Secretary by Susan Elia MacNeal

Set against the backdrop of World War II, this gripping historical mystery follows Maggie Hope, a brilliant young American mathematician who finds herself working as a secretary for the newly appointed British Prime Minister, Winston Churchill. As she navigates the male-dominated world of wartime politics, Maggie uncovers a web of intrigue and espionage that threatens the very heart of the British government. With her sharp intellect and determination, she must unravel the secrets and thwart a dangerous plot, all while grappling with her own personal challenges and the ever-present danger of war.