Volume 50 in the 'Agatha Christie Collection' (1951).
Baghdad is the chosen location for a secret superpower summit. Unfortunately the word is out, and an underground organisation in the Middle East is plotting to sabotage the talks.
Into this explosive situation skips Victoria Jones, a girl with a yearning for adventure who gets more than she bargains for when a wounded agent dies in her hotel room. Now, if only she could make sense of his final words " . . . Lucifer . . . Basrah . . . Lefarge . . ."