Sir Arthur Conan Doyle 
The Boscombe Valley Mystery 

In The Boscombe Valley Mystery, Inspector Lestrade summons Holmes to a community in Herefordshire, where a local landowner has been murdered outdoors. The deceased’s estranged son is strongly implicated. Holmes, employing his trusty magnifying glass quickly determines that a mysterious third man may be responsible for the crime, unraveling a thread involving a secret criminal past, thwarted love, and blackmail. This is the fourth of the twelve stories in The Adventures of Sherlock Holmes and was first published in the Strand Magazine in 1891.

عن المؤلف

Sir Arthur Conan Doyle (1859-1930) was a British writer best known for his creation of the legendary detective Sherlock Holmes. In addition to being considered a father of detective fiction, he also wrote a series of science-fiction adventures starring the brilliant, daring, and comical Professor Challenger.