The Boscombe Valley Mystery, is a short story written by Arthur Conan Doyle first published in The Strand Magazine in October 1891. This is the 6th Sherlock Holmes story, and is the 4th short story in The Adventures of Sherlock Holmes. A tale of murder and intrigue, ''The Boscombe Valley Mystery,'' sees Holmes and Watson investigating a crime for which a son has been accused of killing his own father. Add love and blackmail to make for another excity mystery story of the famous sleuth, Sherlock Holmes.