Classic Christie at a Bargain Price. Originally published in 1922, this delightful mystery finds Tuppence and Tommy grappling with various spies in what was the first of their adventures. Detective duo Tommy and Tuppence Beresford apply their wits, charms, and adventurous spirits to a menacing mystery where failure means certain death for a missing lady at the hands of dangerous unknown foe. While not a very well-known pair, Tuppence and Tommy are irresistible in this classic puzzle tale, which also manages to offer thought-provoking insights into the many forces that were at large in England between the World Wars.