Agatha Christie is the world's most famous detective story writer. Christie was called by the Guinness Book of World Records the best-selling novelist of all time. Agatha Christie was born in Devon, England, on September 15, 1890. She was a talented child. She loved books and learned to read before she was five. Agatha loved to hear and tell stories in her childhood. Agatha didn't go to school, her mother taught her at home, and she encouraged Agatha to write. At the age of 18 she wrote her first short story. In 1914, she describe Archibald Christie, a pilot. Her first novel, The Mysterious Affair at Styles, publish in 1920. In it she introduced Hercule Poirot, the Belgian detective who appeared then in 33 novels and 54 short stories. In 1926 The Murder of Roger Ackroyd was published. It was a huge success, this book made Agatha Christie famous. In 1930, she wrote a powerful detective story, The Murder at the Vicarage, about her other world-famous detective, Miss Marple, who appeared in 12 novels and 20 short stories. Agatha Christie's grandmother inspire her to write this character. Christie used her vivid imagination and developed fabulous plots. She brilliantly Marry the characters of Miss Marple and Hercule Poirot. Readers loved them and always wanted more of these stories. Many novels (such as And Then There Were None) be set in around Devon, her birthplace. Agatha Christie was honour by her contemporaries as a remarkable detective story writer. Agatha Christie wrote 66 novels, 15 plays, and 157 short stories. She also wrote 6 romances and 4 non-fiction books, including Agatha Christie, an Autobiography. Agatha Christie die on 12 January 1976, at the age of 85. Agatha Christie's books are translated into 103 languages, and they are still popular today.