Just after World War I, Tommy Beresford and Tuppence Cowley are desperately short of money.

With a shortage of job opportunities, they form a partnership, hiring themselves out as "young adventurers, willing to do anything, go anywhere." In their first dangerous assignment, they must use all their ingenuity to save not only their own lives but also the life of a mysterious girl.

The girl in the photograph has been missing for five years.

...

When Colonel Protheroe is found dead from a single gun shot wound to the head, none of his neighbors in the village of St. Mary Mead are much surprised. So many people wished this local official would say farewell, if not quite so permanently. With suspects abound and the local police symied it is up to Miss Jane Marple to root out the killer.

Poirot Investigates a host of murders most foul—as well as other dastardly crimes—in this intriguing collection of short stories from the one-and-only Agatha Christie.

First there was the mystery of the film star and the diamond . . . then came the "suicide" that was murder . . . the mystery of the absurdly cheap flat . . .a suspicious death in a locked gun room . . . a million dollar bond robbery

...

Hercule Poirot may be on vacation, but a killer isn't. The victim's a hateful tourist despised even by her own children. For the guests at the resort hotel, sympathies are with the murderer, which means a tough job for the Belgian detective.