of London in a cowboy hat, or with bare feet, and a bunch of curls, as an Irish colleen? Always with you it is the non-essentials! Remember the case of the dancer, Valerie Saintclair."
I shrugged my shoulders, slightly annoyed.
"But console yourself, mon ami," said Poirot, calming down. "All cannot be as Hercule Poirot! I know it well."
"You really have the best opinion of yourself of anyone I ever knew!" I cried, divided between amusement and annoyance.
"What will you? When one is unique, one knows it! And others share that opinion—even, if I mistake not, Miss Mary Marvell."
"What?"
"Without doubt. She is coming here."
"How do you make that out?"
"Very simply. This street, it is not aristocratic, mon ami! In it there is no fashionable doctor, no fashionable dentist—still less is there a fashionable milliner! But there is a fashionable detective. Oui, my friend, it is true—I am become the mode, the dernier cri! One says to another: 'Comment? You have lost your gold pencil-case? You must go to the little Belgian. He is too marvellous! Every one goes!
