The crossing from Dover to Calais had been rough; a drizzling rain fell all the time, and most of the passengers had remained below. Strange to say, they were few enough, as I saw on landing. It was a Sunday in late July, and there ought to have been a strong stream setting towards Central Europe. I hardly expected to find much room in the train; not that it mattered, for my place was booked through in the Lucerne sleeping-car of the Engadine express...