The Hound of the Baskervilles
What is written in the newspaper to solve the mystery for Holmes explain
Student
Student
Holmes deduces that that the person who composed this letter was educated, but wished to pose as an uneducated man. He suspects the culprit worried that Sir Henry would either recognize his handwriting or soon enough encounter it. Finally, he notes that the letter's composer was in a hurry, likely because he feared an interruption.