نبذة عن الكتاب
is the second novel by Arthur Conan Doyle featuring the brilliant detective Sherlock Holmes and his companion Dr. Watson. First published in 1890, the story begins when Miss Mary Morstan receives a mysterious letter that leads to the unraveling of a lost treasure and a complex murder case rooted in colonial India. The novel blends suspense, mystery, and deductive reasoning, showcasing Holmes’s analytical genius and revealing a more emotional side of Watson