I believe that you would make a first-class detective yourself--with practice, of course--with practice." "Can I have missed my true career ?" said the Duke, smiling.

"It's certainly a very interesting game." "Well, I'm not going to search this barracks myself," said Guerchard.
"I'll send in a couple of men to do it; but I'll just take a look at the steps myself." So saying, he opened the front door and went out and examined the steps carefully.
"We shall have to go back the way we came," he said, when he had finished his examination.

"The drawing-room door is locked.

We ought to find M.Formery hammering on it." And he smiled as if he found the thought pleasing.
They went back up the stairs, through the opening, into the drawing-room of M.Gournay-Martin's house.

Sure enough, from the other side of the locked door came the excited voice of M.Formery, crying: "Guerchard! Guerchard! What are you doing?
Let me in! Why don't you let me in ?" Guerchard unlocked the door; and in bounced M.Formery, very excited, very red in the face.
"Hang it all, Guerchard! What on earth have you been doing ?" he cried.
"Why didn't you open the door when I knocked ?" "I didn't hear you," said Guerchard.