Agatha Christie was a famous British crime writer born in 1890 who created two iconic detective characters, Hercule Poirot and Miss Jane Marple. She wrote 66 detective novels and 14 short story collections featuring these characters between 1920 and 1976. Poirot was a neat and orderly Belgian detective who preferred to use logic and reasoning to solve crimes, while Marple was an elderly woman from a small English village who regularly helped solve mysteries. Christie is considered the most important writer in the detective genre and her books have sold over 4 billion copies worldwide, being translated into over 100 languages.