With A Bare Bodkin by Cyril Hare
This novel is a classic British mystery set during World War II, revolving around the peculiar happenings in a government office relocated to a remote country house for the duration of the conflict. The protagonist, an amateur sleuth working in the office, becomes entangled in a web of intrigue when a series of cryptic messages and a suspicious suicide prompt an investigation. With a blend of wit and suspense, the story delves into the complexities of human behavior under the pressures of war, revealing secrets and solving the mystery with clever deduction and an understanding of the human psyche.