The Valley of Fear. A Sherlock Holmes Story. - Sir Arthur Conan Doyle 1915 - Smith, London - First English Edition ‘Mr Mac, the most practical thing that you ever did in your life would be to shut yourself up for three months and read twelve hours a day at the annals of crime.’

The fourth and final full-length Sherlock Holmes novel, a retrospective or 'flashback' adventure set in Pennsylvania, 1888. '
The Valley of Fear' is also notable for the involvement of Holmes arch-nemesis Professor Moriarty. The plot is based on the activities of Molly Maguires, an Irish-American activist group known for their violent conflicts and long held status as a secret society.

With frontispiece of Sherlock by Frank Wiles. Housed in a custom clamshell case of scarlet morocco leather over matching cloth, spine lettered in gilt, interior felt lined.
  References: Green & Gibson A39a. Cooper & Pike, Detective Fiction 115. Harold Locke Bibliography 64-65.

Octavo (19.5 x 13 cm) pp. [8] 306 [6 publisher’s ads]. Publisher's red cloth, lettered in gilt to spine and front board.
  Condition: Near fine, minor rubbing to edges and corners, toning to endpapers.   Ref: 108520   Price: HK$ 8,500