On Baker Street, Sherlock Holmes is in turmoil since the news brought by Scotland Yard: the great novelist Ames Douglas has been poisoned! Everything seems to indicate a suicide, but a note with a coded message persuades the famous detective to the contrary...
Step into Dr. Watson's shoes and lead the investigation with Sherlock Holmes: decide what to do, pick up the clues and discover the meaning of this coded message, which will lead to the culprit!
Contents of the box : 1 book of 176 pages.