"No?"

"Yes, indeed! You're such a wonderful man—having your name in the papers all the time. Oh, I've read about everything you've done! That's how I learned so much about detectiving—or isn't that what you call it?"

"Detecting?"

"That's it. You know I always was simply incorrigible in making up words when I couldn't think of the right one. Don't you think it's a lot of trouble sometimes—thinking of just the right word in the right place?"

"Sometimes. But about the Warren case?"

"Oh, yes, certainly! I'm always getting off my subject, ain't I? I mean—am I not? Bother grammar, anyway. It's a terrible bore, don't you think?"

"Yes, Miss Rogers. And now—"

"Back to that awful crime again, aren't you? It's simply sugary the way you great detectives stick to one subject. I can do it, too, when I have to. I took some lessons once in power of will—concentration and all that sort of thing. It made me feel wickedly old; but I learned a great deal about keeping my mind on one subject all the time. You know, it doesn't matter what you concentrate on—even if it's only making biscuits, or something messy and domestic like that—it does you good. It trains you not to waste words, and to store up your mental energy, and all that sort of thing. And all the time I was studying that course, I was thinking how perfectly glorious modern science is. Just suppose Shakespeare had been able to concentrate like us moderns can! His plays would have been utterly marvelous, wouldn't they?"

"I suppose they would. And now let's try concentrating on the
Warren case."

"That's what I've been leading up to. You see, I knew Mr. Warren very well. In fact, he was awfully friendly with me. To tell you