The Hound of the Baskervilles is the third of the four crime novels written by Sir Arthur Conan Doyle featuring the detective Sherlock Holmes.

Originally serialised in The Strand Magazine from August 1901 to April 1902, it is set largely on Dartmoor in Devon in England's West Country and tells the story of an attempted murder inspired by the legend of a fearsome, diabolical hound of supernatural origin.
(from wikipedia.org)

Sir Arthur Ignatius Conan Doyle (1859 - 1930) was a British writer best known for his detective fiction featuring the character Sherlock Holmes.

Originally a physician, in 1887 he published A Study in Scarlet, the first of four novels about Holmes and Dr. Watson.

In addition, Doyle wrote over fifty short stories featuring the famous detective.

The Sherlock Holmes stories are generally considered milestones in the field of crime fiction.
(from wikipedia.org)