Renowned as Mary Clarissa Christie, Dame Agatha Christie was an acclaimed English writer famed for crafting 66 detective novels and 14 collections of short stories. The narratives often showcased the exploits of fictional investigators Hercule Poirot and Miss Marple. Under the pen name Mary Westmacott, she authored six novels, including The Mousetrap, the world&#39;s longest-running play, captivating audiences in the West End since 1952. Honored as a Dame (DBE) in 1971 for her literary contributions, Christie holds the distinction of being the best-selling fiction writer globally, having sold over two billion copies, as per Guinness World Records.<br /><br />Christie&#39;s upbringing transpired in Torquay, Devon, within an affluent upper-middle-class household, where she received primarily home-based education. Facing six consecutive rejections as a writer, her fortunes changed in 1920 with the publication of The Mysterious Affair at Styles, featuring the detective Hercule Poirot. Archibald Christie, her initial spouse, and she married in 1914, producing one child before their divorce in 1928. Serving in hospital dispensaries during both World Wars endowed her with a profound understanding of poisons, a knowledge skillfully integrated into her literary works. Following her marriage to archaeologist Max Mallowan in 1930, she dedicated considerable time each year to Middle East excavations, incorporating firsthand insights into her novels.