N Or M ? by Agatha Christie in Paperback

 

Tommy & Tuppence are tasked with locating Nazi spies disguised as regular citizens at a beach resort during World War II. In the midst of the battle against the Luftwaffe, there is a greater threat brewing within Britain's own borders. To address this danger, the Intelligence service enlists the help of Tommy and Tuppence Beresford, an unlikely yet effective pair of spies. Their objective: to identify a man and a woman among the diverse visitors at Sans Souci, a charming seaside hotel. But this is not your typical undercover mission.

oll along the promenade. After all, N and M have just murdered Britain’s finest agent…