First published by Collins in 1928 and in paperback by Fontana in 1958. It was reprinted forty times. This edition was printed in 1994 by HarperCollins.
When the luxurious Blue Train arrives at Nice, a guard attemps to wake serene Ruth Kettering from her slumbers. But she will never wake again - for a heavy blow has killed her, disfiguring her features almost beyond recognition. What is more, her priceless rubies are missing.