Partners in Crime: The Christie Collection by Agatha Christie

Agatha Christie: Tommy and Tuppence Beresford Murder Mysteries (when they are married). From inside the front cover: Partners in Crime contains over a dozen brilliant mysteries, written by Agatha Christie who has entertained more people for more hours at a time than almost any other writer. - Margery Allingham. From the back cover: Partners in Crime. When a happily married couple decided to spike their bliss with a little blackmail and larceny, their lives became much more exciting. But when the excitement suddenly included murder, they realized that their togetherness could be dangerous-and quite a bit shorter than they'd planned.