The Queen of Mystery has come to Harper CollinsAgatha Christie, the acknowledged mistress of suspense--creator of indomitable sleuth Miss Marple, meticulous Belgian detective Hercule Poirot, and so many other unforgettable characters--brings her entire oeuvre of ingenious whodunits, locked room mysteries, and perplexing puzzles to Harper Paperbacks...including one of her own ten favorite novels, Towards Zero , which puts Superintendent Battle and Inspector Leach on the case as they investigate the murder of an elderly widow.