E-book exclusive extras:1) Christie biographer Charles Osborne's essay on The Moving Finger;2) "The Marples": the complete guide to all the cases of crime literature's foremost female detective.Lymstock is a town with more than its share of shameful secrets—a town where even a sudden outbreak of anonymous hate-mail causes only a minor stir. But all of that changes when one of the recipients, Mrs Symmington, appears to have been driven to suicide. ‘I can’t go on,’ her final note reads. Only Miss Marple questions the coroner’s verdict. Was this the work of a poison pen? Or of a poisoner?

Hercule Poirot is preparing for a voyage to South America. Looming in the doorway of his bedroom is an uninvited guest, coated from head to foot in dust and mud. The man’s gaunt face registers Poirot for a moment, and then he collapses. The stranger recovers long enough to identify Poirot by name and madly and repeatedly scribble the figure ‘4’ on a piece of paper. Poirot cancels his trip. An investigation is in order. Fortunately, Poirot has the faithful Captain Hastings at his side as he plunges into a conspiracy of international scope—one that would consolidate power in the deadly cabal known as ‘The Big Four.’

E-book exclusive extras:1) Christie biographer Charles Osborne's essay on They Do It with Mirrors;2) "The Marples": the complete guide to all the cases of crime literature's foremost female detective.A sense of danger pervades the rambling Victorian mansion in which Jane Marple’s friend Carrie Louise lives—and not only because the building doubles as a rehabilitation centre for criminal youths. One inmate attempts, and fails, to shoot dead the administrator. But simultaneously, in another part of the building, a mysterious visitor is less lucky. Miss Marple must employ all her cunning to solve the riddle of the stranger’s visit, and his murder—while protecting her friend from a similarly dreadful fate.The New York Times: ‘No one on either side of the Atlantic does it better.’

After an accident on the stairs, Emily becomes convinced that one of her relatives is trying to kill her. On April 17th she writes her suspicions in a letter to Hercule Poirot. Mysteriously he doesn't receive the letter until June 28th... by which time Emily is already dead.

Beautiful young Elinor Carlisle stood serenely in the dock, accused of the murder of Mary Gerrard, her rival in love. The evidence was damning: only Elinor had the motive, the opportunity and the means to administer the fatal poison. Yet, inside the hostile courtroom, only one man still presumed Elinor was innocent until proven guilty: Hercule Poirot was all that stood between Elinor and the gallows…

The villagers of Chipping Cleghorn, including Jane Marple, are agog with curiosity over an advertisement in the local gazette which 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 ppointed time when, without warning, the lights go out . . .

E-book exclusive extras: Christie biographer Charles Osborne's essay on The Body in the Library; "The Marples": the complete guide to all the cases of crime literature's foremost female detective.The very-respectable Colonel and Mrs Bantry have awakened to discover the body of a young woman in their library. She is wearing evening dress and heavy make-up, which is now smeared across her cold cheeks. But who is she? How did she get there? And what is her connection with another dead girl, whose charred remains are later discovered in an abandoned quarry? The Bantrys turn to Miss Marple to solve the mystery.

In one of London's most elegant shops, a decorative doll in green velvet adopts some rather human, and sinister, traits. . . . A country gentleman is questioned about a murder that has yet to be committed. . . . While summoning spirits, a medium is drawn closer to the world of the dead than she ever imagined possible. . . . In a small country church, a dying man's last word, sanctuary, becomes both an elegy and a clue to a crime.Only the Queen of Mystery could have conceived such delicious treats for suspense lovers. Only the inimitable Hercule Poirot and Miss Marple could solve them with such chilling perfection.