N or M?

Agatha Christie

Book 3 of Tommy and Tuppence

Language: English

Publisher: Signet

Published: Aug 15, 2000

Description:

The last words of a murdered government agent lead Tommy and Tuppence Beresford to the Sans Souci Hotel, where they're greeted with hostile guests, a mysterious hotelier, and reports of a missing girl. When Tommy himself vanishes, Tuppence has reason to fear that checking out of the Sans Souci comes at a perilous price...