The Case of the Diamond Shadow — Sophie Masson

When Daisy Miller accepts an exciting new job in London with the mysterious Mrs Peabody, her old friend George Dale is more than a little jealous. But all is not quite as it seems and Daisy soon realises that there's more to this job than meets the eye.Before long the two friends find themselves in Paris and on the tail of daring jewel thief, the Shadow.Full of the glamour and daring of the 1930s, the Golden era of detective fiction, the Case of the Diamond Shadow will enchant young and older readers alike.