Clarissa, the wife of a Foreign Office diplomat, is given to daydreaming. "Supposing I were to come down one morning and find a dead body in the library, what should I do?" she muses. Clarissa has her chance to find out when she discovers a body in the drawing-room of her house in Kent. Desperate to dispose of the body before her husband comes home with an important foreign politician, Clarissa persuades her three house guests to become accessories and accomplices.

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.

Luke Fitzwilliam could not believe Miss Pinkerton's wild allegation that a multiple murderer was at work in the quiet English village of Wychwood, or her speculation that the local doctor was next in line. But, within hours, Miss Pinkerton had been killed in a hit-and-run car accident. Mere coincidence? Luke was inclined to think so, until he read in The Times of the unexpected demise of Dr Humbleby.

Gipsy's Acre was a truly beautiful upland site with views out to sea, and in Michael Rogers it stirred a child-like fantasy. There, amongst the dark fir trees, he planned to build a house, find a girl, and live happily ever after. But as he left the village, a shadow of menace hung over the land, for this was the place where accidents happened. Perhaps Michael should have heeded the locals' warnings: "There's no luck for them as meddles with Gipsy's Acre."

Agatha Christie’s classic thriller. Features the recurring character Colonel Race from Death on the Nile, Cards on the Table and The Man in the Brown Suit. Six people sit down to dinner at a table laid for seven. In front of the empty place is a sprig of rosemary – in solemn memory of Rosemary Barton who died at the same table exactly one year previously.No one present on that fateful night would ever forget the woman’s face, contorted beyond recognition – or what they remembered about her astonishing life.

The Leonides are one big happy family living in a sprawling, ramshackle mansion - until the head of the household, Aristide, is murdered with a fatal barbiturate injection. Suspicion naturally falls on the old man's young widow, 50 years his junior. But the murderer hasn't reckoned on the tenacity of Charles Hayward, fiancé of the late millionaire's granddaughter.

So far, it had been a typical New Year's Eve house party. But Mr. Satterthwaite, a keen observer of human nature, sensed that the real drama of the evening was yet to unfold. So it proved when a mysterious stranger arrived after midnight. Who was this Mr. Quin? And why did his presence have such a pronounced effect on Eleanor Portal, the woman with the dyed-black hair?

It is Egypt, 2000 BC, where death gives meaning to life. At the foot of a cliff lies the broken, twisted body of Nofret, concubine to a Ka-priest. Young, beautiful, and venomous, most agree that she deserved to die like a snake. Yet Renisenb, the priest's daughter, believes that the woman's death was not fate, but murder. Increasingly, she becomes convinced that the source of evil lurks within her own father's household.

When a number of leading scientists disappear without a trace, concern grows within the international intelligence community. Are they being kidnapped? Blackmailed? Brainwashed? One woman appears to have the key to the mystery. Unfortunately, Olive Betteron now lies in a hospital bed, dying from injuries sustained in a Moroccan plane crash.

Mrs Packington felt alone, helpless, and utterly forlorn. But her life changed when she stumbled upon an advertisement in The Times 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.

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 colourful guests at Sans Souci, a seaside hotel. But this assignment is no stroll along the promenade.

Sir Claud Amory has discovered the formula for a new powerful explosive, which is stolen by one of the large household of relatives and friends. Locking everyone in the library, Sir Claud switches off the lights to allow the thief to replace the formula on the table, no questions asked. When the lights come on, however, he is dead.

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.

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.

Inspector Japp summons Poirot to a London house where Guy Fawkes Night fireworks appear to have drowned out the noise of a young widow shooting herself through her left temple. But the pistol is in her right hand, and the police are convinced that this must be a case of murder.