The Valley Of Fear - 9781787246317

A cipher message arrives from Fred Porlock, a pseudonymous agent of Professor Moriarty. After Porlock sends the message, however, he changes his mind for fear of Moriarty's discovering that he is a traitor. He decides not to send the key to the cipher, but he sends Holmes a note telling of this decision.

• | Author: Arthur Conan Doyle
• | Publisher: Adelphi Press
• | Publication Date: Jul 12, 2018
• | Number of Pages: 162 pages
• | Language: English
• | Binding: Paperback
• | ISBN-10: 1787246310
• | ISBN-13: 9781787246317