The final Tommy & Tuppence novel.
Tommy and Tuppence Beresford have just become the proud owners of an old house in an English village. Along with the property, they have inherited some worthless bric-a-brac, including a collection of antique books. While rustling through a copy of The Black Arrow, Tuppence comes upon a series of apparently random underlinings.
However, when she writes down the letters, they spell out a very disturbing message:M a r y â J o r d a n â d i d â n o t â d i e â n a t u r a l l yâŠ