Persons whose sleep is uncertain are apt to have their worst nights when they would like their best. The consciousness of a special need for rest seems to bring enough mental disturbance to forbid it. So on Christmas Eve, in the year 1907, Mr. Batchel, who would have liked to sleep well, in view of the labours of Christmas Day, lay hopelessly wide awake. He exhausted all the known devices for courting sleep, and, at the end, found himself wider awake than ever. A brilliant moon shone into his room, for he hated window-blinds. There was a light wind blowing, and the sounds in the library were more than usually suggestive of a person moving about. He almost determined to have the sashes "seen to," although he could seldom be induced to have anything "seen to." He disliked changes, even for the better, and would submit to great inconvenience rather than have things altered with which he had become familiar. As he revolved these matters in his mind, he heard the clocks strike the hour of midnight, and having now lost all hope of falling asleep, he rose from his bed, got into a large dressing gown which hung in readiness for such occasions, and passed into the library, with the intention of reading himself sleepy, if he could. The moon, by this time, had passed out of the south, and the library seemed all the darker by contrast with the moonlit chamber he had left. He could see nothing but two blue-grey rectangles formed by the windows against the sky, the furniture of the room being altogether invisible. Groping along to where the table stood, Mr. Batchel felt over its surface for the matches which usually lay there; he found, however, that the table was cleared of everything. He raised his right hand, therefore, in order to feel his way to a shelf where the matches were sometimes mislaid, and at that moment, whilst his hand was in mid-air, the matchbox was gently put into it! Such an incident could hardly fail to disturb even a phlegmatic person, and Mr. Batchel cried "Who's this?" somewhat nervously. There was no answer. He struck a match, looked hastily round the room, and found it empty, as usual. There was everything, that is to say, that he was accustomed to see, but no other person than himself. It is not quite accurate, however, to say that everything was in its usual state. Upon the tall desk lay a quarto volume that he had certainly not placed there. It was his quite invariable practice to replace his books upon the shelves after using them, and what we may call his library habits were precise and methodical. A book out of place like this, was not only an offence against good order, but a sign that his privacy had been intruded upon. With some surprise, therefore, he lit the candle standing ready in the sconce, and proceeded to examine the book, not sorry, in the disturbed condition in which he was, to have an occupation found for him.