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.

Mrs Packington felt alone, helpless, and utterly forlorn. But her life changed when she stumbled upon an advertisement in The Times/i> which read: "ARE YOU HAPPY? IF NOT, CONSULT MR PARKER PYNE". Equally adept at putting together the pieces of a marriage or the fragments of a murder mystery, Mr Parker Pyne was possibly the world's most unconventional private eye, and certainly its most charming.

Dr. Arthur Calgary takes a ferry across the Rubicon River to Sunny Point, the home of the Argyle family. A year before, the matriarch of the family was murdered and a son, Jack, was convicted and sentenced to spend the rest of his life in prison. Dr. Calgary is surprised when his revelation has a disturbing effect on the family: it means one of the family is a murderer.

Romance, adventure, and train travel can all be a little bit dangerous, especially in the hands of Agatha Christie. The Man in the Brown Suit: 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. 4:50 From Paddington: For an instant the two trains ran together, side by side. In that frozen moment, Elspeth witnessed a murder. Helplessly, she stared out of her carriage window as a man remorselessly tightened his grip around a woman's throat....

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.

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.

Here are 12 ingenious, witty mysteries showing the author at her best, including: the curious disappearance of Lord Listerdale, the strange meeting on a train of a feckless man and a beautiful girl, and Philomel Cottage and the extraordinary country house visit of Edward Robinson. Each is expertly narrated by Hugh Fraser.

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.

"Anyone who murdered Colonel Protheroe," declared the parson, brandishing a carving knife above a joint of roast beef, "would be doing the world at large a favor!" 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 - when the Colonel is found shot dead in the clergyman's study. But as Miss Marple soon discovers, the whole village seems to have had a motive to kill Colonel Protheroe.

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....

Rex Fortescue, king of a financial empire, was sipping tea in his "counting house" when he suffered an agonizing and sudden death. On later inspection, the pockets of the deceased were found to contain traces of cereals. Yet, it was the incident in the parlor that confirmed Miss Marple's suspicion that here she was looking at a case of crime by rhyme....

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.

Baghdad is the chosen location for a secret summit of superpowers, concerned but not convinced, about the development of an, as yet, unidentified and undescribed secret weapon. Only one man has the proof that can confirm the nature of this fantastic secret weapon, a British agent named Carmichael. Unfortunately the criminal organisation responsible for the weapon's development will stop at nothing to prevent him entering Baghdad and presenting his proof to the assembled delegates.

Six people sit down to a sumptuous meal at a table laid for seven. In front of the empty place is a sprig of rosemary - "rosemary for remembrance." A strange sentiment considering no one is likely to forget the night, exactly a year ago, that Rosemary Barton died at exactly the same table, her beautiful face unrecognizable, convulsed with pain and horror. But then Rosemary had always been memorable - she had the ability to arouse strong passions in most people she met. In one case, strong enough to kill....

One minute, silly Heather Babcock had been babbling on at her movie idol, the glamorous Marina Gregg. The next, Heather suffered a massive seizure, poisoned by a deadly cocktail. It seems likely that the cocktail was intended for the beautiful actress. But while the police fumble to find clues, Miss Marple begins to ask her own questions, because as she knows...even the most peaceful village can hide dark secrets.