The new novel from the author of Art in the Blood. December 1889. Fresh from debunking a "ghostly" hound in Dartmoor, Sherlock Holmes has returned to London, only to find himself the target of a deadly vendetta. A beautiful client arrives with a tale of ghosts, kidnapping and dynamite on a whisky estate in Scotland, but brother Mycroft trumps all with an urgent assignment in the South of France. On the fabled Riviera,...