N of M?

Another Tommy and Tuppence book. This one is situated at the start of the Second World War.
It is an espionage story instead of a murder mystery.

The plot itself is fun but not very realistic. There is something interesting though, as this book is written in 1940, published in 1941 Agatha Christie captures the “zeitgeist”. Different characters express their feelings and view on the war, that just started. She even quoted Chamberlain: “peace in our time”.

Besides that, it is lighthearted and fun, but nothing special.