Hound of the Baskervilles

Sir Charles Baskerville, Bart,  is found dead on the grounds of his cointry house, Baskerville Hall. The cause is ascribed to a heart attack. Fearing for the safety of Sir Charles''s nephew and the only known heir, Sir Henry Baskerville, coming from Toronto, Canada to claim his inheritance, Dr James Mortimer travels to London and asks Sherlock Holmes for help. Mortimer explains that the Baskervill...