There’s a serial killer on the loose, working his way through the alphabet and the whole country is in a state of panic.Ais for Mrs. Ascher in Andover,Bis for Betty Barnard in Bexhill,Cis for Sir Carmichael Clarke in Churston. With each murder, the killer is getting more confident—but leaving a trail of deliberate clues to taunt the proud Hercule Poirot might just prove to be the first, and fatal, mistake.Review“There is no more cunning player of the murder game than Agatha Christie.” (Sunday Times (London) )“An entirely original idea.” (Daily Telegraph (London) )“Mrs. Christie has invented an entirely new plot for a detective story—a difficult thing in these days; she is to be congratulated on the perfection of her invention.” (The Times (London) )“Her best yet. Where does she get hold of these brilliant notions?” (Bristol Evening Post )About the AuthorAgatha Christie is the most widely published author of all time and in any language, outsold only by the Bible and Shakespeare. Her books have sold over a billion copies in English and another billion in one hundred foreign countries. She is the author of eighty novels and short-story collections, nineteen plays, and six novels under the name Mary Westmacott. She died in 1976.