Agatha Christie was born in Devon, UK, in 1890.
She was a nurse during World War I.
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She has written many detective novels.
One of her characters is Miss Marpple, an elderly spinster, amateur detective.
Another famous character is Poirot, a private detective.
She wrote novels, short stories and plays. The Mousetrap went on for 60 years.
The Guinness Book of World Records lists Christie as the best-selling novelist of all time.
Dame Agatha Mary Clarissa Christie, Lady Mallowan, DBE (Dame Comander of the Order of the British Empire) (née Miller; 15 September 1890 – 12 January 1976)