Detective duo Tommy and Tuppence Beresford apply their wits, charms, and adventurous spirits to a menacing mystery that spells certain poisonous death for a missing lady at the hands of dangerous unknown foe.-Amazon.com.

Tommy and Tuppence Beresford, Agatha Christie's delightful sleuthing duo, investigate the strange and troubling doings behind the scenes at a gothic British nursing home in By the Pricking of My Thumbs… When Tommy and Tuppence visit an elderly aunt in her gothic nursing home, they think nothing of her mistrust of the doctors; after all, Ada is a very difficult old lady. But when Mrs. Lockett mentions a poisoned mushroom stew and Mrs. Lancaster talks...

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: "Mary Jordan did not die naturally."...

An ordinary married couple gets caught up in international intrigue and discovers that they have a knack for crime solving in this charming detective series.