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. While rustling through a copy of The Black Arrow, Tuppence comes upon a series of apparently random underlinings.

All great crime writers have their favourite creations. Similarly, every great sleuth has his, or her, own preferred method of deduction. Take the charming Parker Pyne, who relies upon an intuitive knowledge of human nature to solve the 'Problem at Pollensa Bay'. Or Mr Satterthwaite, who seeks inspiration through his collaboration with the enigmatic Mr Quin in 'The Harlequin Tea Set' mystery. Then, of course, there's Poirot, whose measured analysis of motive and opportunity is tested to the full in 'Yellow Iris', when he receives an anonymous call about a matter of life and death. 

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."

To understand the strange goings on at The Pale Horse Inn, Mark Easterbrook knew he had to begin at the beginning. But where exactly was the beginning? Was it the savage blow to the back of Father Gorman's head? Or was it when the priest's assailant searched him so roughly, he tore the clergyman's cassock? Or could it have been the priest's visit, just minutes before, to a woman on her deathbed? Or was there a deeper significance to the violent squabble that Mark Easterbrook had himself witnessed earlier?

When Cora is savagely murdered with a hatchet, the extraordinary remark she made the previous day at her brother Richard's funeral suddenly takes on a chilling significance. In desperation, the family solicitor turns to Hercule Poirot to unravel the mystery.

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.

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.

In a remote house in the middle of Dartmoor, six shadowy figures huddle around a small table for a seance. Tension rises as the spirits spell out a chilling message: "Captain Trevelyan...dead...murder."

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.

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.

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.

When Miss Marple comes up from the country for a holiday in London, she finds what she's looking for at Bertram's Hotel: traditional decor, impeccable service, and an unmistakable atmosphere of danger behind the highly polished veneer.

When a stranger runs his car into a ditch in dense fog near the South Wales coast, and makes his way to an isolated house, he discovers a woman standing over the dead body of her wheelchair-bound husband, a gun in her hand. She readily admits to murder, and the unexpected guest offers to help her concoct a cover story.

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.