Holmes picked up the Daily Telegraph which lay upon the table.

“Have you seen Pierrot’s advertisement today?”

“What? Another one?”

“Yes, here it is:

“Tonight. Same hour. Same place. Two taps. Most vitally important. Your own safety at stake.

“Pierrot.

“Tonight. Same hour. Same place. Two taps. Most vitally important. Your own safety at stake.

“Pierrot.