“I do not know.”

“Did he give you no address?”

“He said that letters to the Hotel du Louvre, Paris, would eventually reach him.”

“Then reparation is still within your power,” said Sherlock Holmes.

“I will do anything I can. I owe this fellow no particular goodwill. He has been my ruin and my downfall.”

“Here are paper and pen. Sit at this desk and write to my dictation. Direct the envelope to the address given. That is right. Now the letter: