Well, it's no wonder. The plot - suspicion for an elderly woman's murder falls on her mysterious lodger - is from Agatha Christie. The wonderful character happens to be the world's most famous sleuth, Hercule Poirot.

A far-from-warm welcome greets Hercule Poirot as he arrives for lunch at Lucy Angkatell's country house. A man lies dying by the swimming pool, his blood dripping into the water. His wife stands over him, holding a revolver. As Poirot investigates, he begins to realize that beneath the respectable surface lies a tangle of family secrets and everyone becomes a suspect.

Agatha Christie wrote The Mysterious Affair at Styles during the midst of World War I. The book was published in 1920 and became extremely popular because of the well-grounded plot and interesting characters. The novel is set at Styles Court, a wealthy estate in England during the war. The estate's owner, Mrs. Cavendish, had inherited the estate as well as vast sums of money from her late husband.

Another title in the ever popular Agatha Christie series.The suave and debonair Colonel Race must solve a question, not of ‘accidental death or suicide’, but ‘murder or double murder’.Pretty, young Anne came to London looking for adventure. In fact, adventure comes looking for her – and finds her immediately at Hyde Park Corner tube station. Anne is present on the platform when a thin man, reeking of mothballs, loses his balance and is electocuted on the rails.The Scotland Yard verdict is accidental death.

Miss Emily was old, rich, and afraid - and now, she's dead. Her terrified plea to Hercule Poirot came a little too late. All that's left is a house full of greedy heirs, and a very strange letter that could solve the mystery - or add to it.

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....

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. The prime suspect is Ruth's estranged husband, Derek. Yet Hercule Poirot is not convinced, so he stages an eerie reenactment of the journey, complete with the murderer on board.

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.

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...the curse of a pharaoh's tomb...a jewel robbery by the sea...the abduction of a prime minister...the disappearance of a banker...a phone call from a dying man...and finally, the mystery of the missing will. What links these fascinating cases? Only the brilliant deductive powers of Hercule Poirot!

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....

Little did Anthony Cade suspect that a simple errand on behalf of a friend would make him the centrepiece of a murderous international conspiracy. Someone would stop at nothing to prevent the monarchy being restored in faraway Herzoslovakia. The combined forces of Scotland Yard and the French Surete can do no better than go in circles - until the final murder at Chimneys, the great country estate that yields up an amazing secret.

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 about "something behind the fireplace," Tommy and Tuppence find themselves caught up in a spine-chilling adventure that could spell death for either of them....

Lady Emily Hardcastle is an eccentric widow with a secret past. Florence Armstrong, her maid and confidante, is an expert in martial arts. The year is 1908 and they've just moved from London to the country, hoping for a quiet life. But it is not long before Lady Hardcastle is forced out of her self-imposed retirement. There's a dead body in the woods, and the police are on the wrong scent. Lady Hardcastle makes some enquiries of her own, and it seems she knows a surprising amount about crime investigation...

Twelve BBC Radio 4 full-cast dramatisations of short stories by the Queen of Crime. First broadcast in the early 2000s, the stories were adapted and brought up-to-date for a contemporary audience. The stories are 'Philomel Cottage'; 'Swan Song'; 'Magnolia Blossom'; 'Witness for the Prosecution'; 'The Gates of Baghdad'; 'The Hounds of Death'; 'In a Glass Darkly'; 'The Dressmaker's Doll'; 'The Case of the Perfect Carer'; 'The £199 Adventure'; 'The Gypsy'; and 'The Last Seance'. Duration: 6 hours approx.

"Anyone who murdered Colonel Protheroe," declared the parson, "would be doing the world at large a service!" It was a careless remark for a man of the cloth. And one which was to come back and haunt the clergyman just a few hours later. From seven potential murderers, Miss Marple must seek out the suspect who has both motive and opportunity.