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. When Lord Edgware Dies a most unnatural death, detective Poirot must solve a most confounding conundrum: if the obvious killer, the slain peers spiteful wife, didnt do it, who did?