Tommy and Tuppence are at it again. This detective couple can never walk away from a mystery and these two later novels are no exception. 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. Postern of Fate: 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....

Tommy and Tuppence Beresford are restless for adventure, so when they are asked to take over Blunt's International Detective Agency, they leap at the chance. Their first case is a success - the triumphant recovery of a pink pearl. Other cases soon follow - a stabbing on Sunningdale golf course; cryptic messages in the personal columns of newspapers; and even a box of poisoned chocolates. But can they live up to their slogan of "Any case solved in 24 hours"?

It is World War II, and while the RAF struggles to keep the Luftwaffe at bay, Britain faces an even more sinister threat from "the enemy within" - Nazis posing as ordinary citizens. With pressure mounting, the intelligence service appoints two unlikely spies, Tommy and Tuppence Beresford. Their mission: to seek out a man and a woman from among the colorful guests at Sans Souci, a seaside hotel. But this assignment is no stroll along the promenade - N and M have just murdered Britain's finest agent and no one at all can be trusted....

As Jane Marple sat basking in the Caribbean sunshine she felt mildly discontented with life. True, the warmth eased her rheumatism, but here in paradise nothing ever happened.

In a remote house in the middle of Dartmoor, six shadowy figures huddle around a table for a seance. Tension rises as the spirits spell out a chilling message: "Captain Trevelyan...dead...murder." Is this black magic or simply a macabre joke? The only way to be certain is to locate Captain Trevelyan. Unfortunately, his home is six miles away and, with snowdrifts blocking the roads, someone will have to make the journey on foot....

Miss Marple schwelgt in alten Erinnerungen und will ein paar ruhige Tage in Bertrams Hotel in London verbringen. Doch plötzlich verschwindet ein ehrenwerter Stammgast des Hotels: Kanonikus Pennyfather wollte zu einem Kongress nach Luzern, ist dort aber nie angekommen. Chief-Inspector Fred Davy bittet Miss Marple um Hilfe, hat sie doch den Verschwundenen zuletzt gesehen. Und schon bald sind sich die beiden Ermittler einig: die Idylle des komfortablen Hotels ist nur Fassade.

Little did Anthony Cade suspect that an errand for a friend would place him at the center of a deadly conspiracy. Drawn into a web of intrigue, he begins to realize that the simple favor has placed him in serious danger.

Two standalone novels from the queen of mystery, Agatha Christie. From the sprawling Leonide family to dark moors, no one can spin a mystery quite like she can. In Crooked House, the Leonides are one big happy family living in a sprawling, ramshackle mansion. That is until the head of the household, Aristide, is murdered with a fatal barbiturate injection....

Miss Marple senses danger when she visits a friend living in Stoneygates, a rehabilitation center for delinquents. Her fears are confirmed when someone shoots at the administrator. Although he is not injured, a mysterious visitor is less fortunate - shot dead simultaneously in another part of the building. Pure coincidence? Miss Marple thinks not, and must use all her cunning to solve the riddle of the stranger's visit...and his murder.

This title was previously published as Murder with Mirrors.

It had been a typical New Year's Eve party. But as midnight approaches, Mr. Satterthwaite - a keen observer of human nature - senses that the real drama of the evening is yet to unfold. And so it proves when a mysterious stranger knocks on the door. Who is this Mr. Quin? Mr. Satterthwaite's new friend is an enigma. He seems to appear and disappear almost like a trick of the light. In fact, the only consistent thing about him is that his presence is always an omen - sometimes good, but sometimes deadly....

Christmas Eve, and the Lee family's reunion is shattered by a deafening crash of furniture and a high-pitched wailing scream. Upstairs, the tyrannical Simeon Lee lies dead in a pool of blood, his throat slashed. When Hercule Poirot offers to assist, he finds an atmosphere not of mourning but of mutual suspicion. It seems everyone had their own reason to hate the old man....

When the luxurious Blue Train arrives at Nice, a guard attempts to wake serene Ruth Kettering from her slumbers. But she will never wake again, for a heavy blow has killed her, disfiguring her features almost beyond recognition. What is more, her precious rubies are missing.

Gerry Wade had proved himself to be a champion sleeper, so the other houseguests decided to play a practical joke on him. Eight alarm clocks were set to go off, one after the other, starting at 6:30 a.m. But when morning arrived, one clock was missing and the prank then backfired, with tragic consequences. For Jimmy Thesiger in particular, the words "Seven Dials" were to take on a new and chilling significance....

The villagers of Chipping Cleghorn, including Jane Marple, are agog with curiosity over an advertisement in the local gazette that read: "A murder is announced and will take place on Friday October 29th, at Little Paddocks at 6:30 p.m." Unable to resist the mysterious invitation, a crowd begins to gather at Little Paddocks at the appointed time when, without warning, the lights go out....

A blinding snowstorm - and a homicidal maniac - traps a small party of friends in an isolated estate. Out of this deceptively simple setup, Agatha Christie fashioned one of her most ingenious puzzlers, which in turn would provide the basis for The Mousetrap, the longest-running play in history. From this classic title novella to the deliciously clever gems on its tail (solved to perfection by Hercule Poirot and Miss Jane Marple), this rare collection of murder most foul showcases Christie at her inventive best.