Tommy & Tuppence Mysteries #3 : N or M? (P)

Amid the dark days of World War II, Tommy and Tuppence Beresford are drawn back into the world of espionage in a thrilling mission. The cryptic final words of a dying man hint at a deadly secret—the code names of Hitler's most dangerous agents: "N" and "M."

Their quest leads them to a quiet seaside boarding house, where danger lurks behind seemingly ordinary façades. Disguised as strangers who meet by chance, Tommy and Tuppence must unravel the web of intrigue and deception. With their lives on the line, can they outwit a shadowy enemy hiding in plain sight?

A masterpiece of suspense and wit, N or M? showcases Agatha Christie's genius for blending mystery and wartime drama.