The acknowledged queen of detective fiction the world over." The Observer. Now retired, Tommy and Tuppence Beresford move to Devonshire. In an old children's book left in the attic, Tuppence finds cryptic clues to a murder which took place in the village during the FirstWorld War. The girl who died was mixed up in an old scandal concerned with the passing on of naval secrets. Was she innocent or guilty? True to form, Tommy and Tuppence are intrigued and investigate - and true to form, they find themselves in danger...