“Perhaps you are right, my friend. Ah, here is Japp! I recognize his knock.”
The Inspector was beaming good-humoredly.
“Morning, Poirot. Only just got back. I’ve done some good work! And you?”
“Me, I have arranged my ideas,” replied Poirot placidly.
Japp laughed heartily.
“Old chap’s getting on in years,” he observed beneath his breath to me. “That wont do for us young folk,” he said aloud.
“Quel dommage?” Poirot inquired.
“Well, do you want to hear what I’ve done?”
“You permit me to make a guess? You have found the knife with which the crime was committed by the side of the line between Weston and Taunton, and you have interviewed the paper-boy who spoke to Mrs. Carrington at Weston!”
Japp’s jaw fell. “How on earth did you know? Don’t tell me it was those almighty ‘little gray cells’ of yours!”