"The world's most beloved detective, Hercule Poirot--the legendary star of Agatha Christie's Murder on the Orient Express and most recently The Monogram Murders and Closed Casket--returns in a stylish, diabolically clever mystery set in the London of 1930. "We Agatha Christie fans read her stories--and particularly her Poirot novels--because the mysteries are invariably equal parts charming and ingenious, dark and quirky and utterly engaging. Sophie...