Arthur Conan Doyle’s “A Study in Scarlet” is the first novel to introduce the iconic detective Sherlock Holmes and his loyal friend Dr. John Watson. The story begins with the mysterious murder of Enoch Drebber in London, leading Holmes and Watson to unravel a complex web of clues involving revenge, a secret society, and events from the American West. Doyle’s blend of sharp deduction, intricate plotting, and atmospheric detail established the enduring appeal of Sherlock Holmes, marking the beginning of one of literature’s most beloved detective series.