“Yes.”

“On the book-shelf?”

“Yes.”

“Where does this book-shelf stand?”

Mr. Jeffrey looked up as much as to say, “Why so many small questions about so simple a matter?” but answered frankly enough:

“At the right of the door leading into the bedroom.”

“And at right angles to the door leading into the hall?”

“Yes.”

“Very good. Now may I ask you to describe the cover of this book?”

“The cover? I never noticed the cover. Why do you—. Excuse me, I suppose you have your reasons for asking even these puerile and seemingly unnecessary questions. The cover is a queer one I believe; partly red and partly green; and that is all I know about it.”