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.

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.

A new unabridged Agatha Christie mystery, featuring the young adventurers Lady ‘Frankie’ Derwent and Bobby Jones.While playing an erratic round of golf, Bobby Jones slices his ball over the edge of a cliff. His ball is lost, but on the rocks below he finds the crumpled body of a dying man. With his final breath the man opens his eyes and says, ‘Why didn’t they ask Evans?’Haunted by these words, Bobby and his vivacious companion, Frankie, set out to solve a mystery that will bring them into mortal danger…

Gerry Wade had proved himself to be a champion sleeper, so the other house guests 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 had backfired with tragic consequences. For Jimmy Thesiger in particular, the words "seven dials" were to take on a new and chilling significance.

Sir Stafford Nye's journey home from Malaysia to London takes an unexpected twist in the passenger lounge at Frankfurt: a young woman confides in him that someone is trying to kill her.

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.

Tommy and Tuppence embark on a daring business scheme: Young Adventurers Ltd. Their advertisement says they are "willing to do anything, go anywhere". But their first assignment, for the sinister Mr Whittington, plunges them into more danger than they ever imagined.

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. 

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.

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.

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.

What is the connection between a failed suicide attempt, a wrongful accusation of theft against a schoolgirl, and the romantic life of a famous tennis player? To the casual observer, apparently nothing. But when a houseparty gathers at Gull's Point, the seaside home of an elderly widow, earlier events come to a dramatic head. It's all part of a carefully paid plan for murder.

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 an unexpected adventure involving possible black magic.

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.

Like many of her contemporaries, Agatha Christie wrote stories for a variety of magazines in the 1920s and '30s, and most of these eventually found their way into her books of short stories. Now, many years after her death, detective work worthy of Agatha Christie herself has unearthed "new" stories, most of which have never been published anywhere in the world since their original appearances.