Excerpt: I selected a handkerchief, gave a last look at the weather, which was beastly, and went down (very late) to breakfast. As I opened the door there was a sudden hush. Everybody looked eagerly at me. Then Miss Fortescue tittered. Well, you know how one feels when that happens. I put my hand quickly to my tie?it was still there. I squinted down my nose, but there was no smut. To make quite su...