Detective Sherlock Holmes and Dr John Watson are summoned to a south London house where they find a dead man whose contorted face is a twisted mask of horror. The body is unmarked by violence but on the wall a mysterious word has been written in blood.

Format: Paperback
Published: in 2011
Publisher: Penguin Books Ltd
Pages: 176
Language: English
ISBN 13: 9780241952894
ISBN 10: 0241952891