An American visitor is found murdered in mysterious circumstances in a London house. A woman’s wedding ring, cigar ash, the monogram on a handkerchief, and a message written in blood are all among the clues that lead Holmes to a second blood-bespattered body in a hotel bedroom where a box of poisoned pills enable him to put his finger on the murderer and reveal desperate plot of love and revenge that has its roots in Salt Lake City.
Handle the evidence yourself, read the diaries, telegrams and newspaper reports as they were collected by Dr Watson.
Match your powers of detection against those of the great Sherlock Holmes.
