The Queen of the Mysterious has arrived at HarperCollins! Agatha Christie, the acclaimed master of suspense and creator of the unflappable detective Miss Marple, the meticulous Belgian detective Hercule Poirot, and many other unforgettable characters, brings her entire body of work consisting of brilliant whodunits, locked-room puzzles, and perplexing enigmas to William Morrow Paperbacks. Christie's outstanding standalone mystery, Passenger to Frankfurt, is a true masterpiece of surprise and tension, as a diplomat comes to the aid of a frightened woman at the airport, only to discover that his identity has been stolen and his life is suddenly in serious danger.