At this early hour of a June morning the library was empty. Mrs. Giles had to visit the kitchen. Mr. Oliver still tramped the terrace. And Mrs. Swithin was of course at church. The light but variable breeze, foretold by the weather expert, flapped the yellow curtain, tossing light, then shadow. The fire greyed, then glowed, and the tortoiseshell butterfly beat on the lower pane of the window; beat, beat, beat; repeating that if no human being ever came, never, never, never, the books would be mouldy, the fire out and the tortoiseshell butterfly dead on the pane.