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Agatha Christie is the  famous detective story writer. She was born in Devon,England,on September 15, 1890. She was home schooled by her  mother.  During World War I, Christie worked in a hospital, she learned  about chemicals and poisons. She wrote her first detective novel in 1920. Hercule Poirot and Jane Marple are two main detectives of her novels. Later Christie  writed nearly eighty novels, as well as a number of plays and short stories. However, her life was lonely and unhappy. The end.......

Her previous experience helped her to write her first detective novel, The Mysterious Affair at Styles. In it she intoduced the Belgian detective who appeared in many subsequent novels. The writer wrote 79 novels and several plays. She was born in 1890 and was the third child in a family. Despite not going to school, she was very educated. After her father`s death, the girl and her mum were grief-stricken.