The Queen of Mystery has come to Harper Collins! Agatha 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 The A.B.C. Murders, which sets Hercule Poirot on the trail of a serial killer.