Dame Agatha Mary Clarissa Christie, Lady Mallowan, (born Miller; 15 September 1890 – 12 January 1976) was an English writer. She is known for her 66 detective novels and 14 short story collections, particularly those revolving around her fictional detectives Hercule Poirot and Miss Marple. Christie also wrote the world's longest-running play, a murder mystery, The Mousetrap, and, under the pen name Mary Westmacott, six romances. In 1971 she was appointed a Dame Commander of the Order of the British Empire (DBE) for her contribution to literature.Christie was born into a wealthy upper-middle-class family in Torquay, Devon. Before marrying and starting a family in London, she had served in a Devon hospital during the First World War, tending to troops coming back from the trenches. She was initially an unsuccessful writer with six rejections, but this changed when The Mysterious Affair at Styles, featuring Hercule Poirot, was published in 1920. During the Second World War, she worked as a pharmacy assistant at University College Hospital, London, acquiring a good knowledge of poisons which feature in many of her novels.
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If I had kept all these things neatly sorted and filed and labelled, it would save me a lot of trouble. However, it is a pleasure sometimes, when looking vaguely through a pile of old note-books to find something scribbled down, as: Possible plot—do it yourself—girl and not really sister—August— with a kind of sketch of a plot. What it's all about I can't remember now; but it often stimulates me, if not to write that identical plot, at least to write something else.
Sometimes it seems as though not a moment has moved, but then you look up and you're already old or you already have a household of kids or you look down and see your feet are miles and miles away from the rest of you—and you realize you've grown up.