The Adventure of the Speckled Band - Sir Arthur Conan Doyle

A classic adventure from the casebook of Sherlock Holmes, the world's most famous private detective.When Helen Stoner hears the same low whistle and strange metallic clang that heralded the death of her twin sister Julia, she knows of only one man who can unravel the mystery and prevent a second death in the family - the great Sherlock Holmes.