At the request of his friend Ariadne (an eccentric mystery lover based on Christie herself), Hercule arrives at a sprawling estate to partake in a weekend game of mock murder. But when the victim appears far too dead, the game stops and the detective work begins. About the Author: Agatha Christie is known throughout the world as the Queen of Crime. Her books have sold over a billion copies in English with another billion in over 70 foreign languages. She is the most widely published author of all time and in any language, outsold only by the Bible and Shakespeare. She is the author of 80 crime novels and short story collections, 20 plays, and six novels written under the name of Mary Westmacott.