Arthur Conan Doyle (1859–1930) was a British writer renowned for creating the iconic detective character, Sherlock Holmes. Trained as a physician, Doyle's literary prowess eventually overshadowed his medical career. His first Holmes novel, 'A Study in Scarlet,' introduced the detective genre to a formula of logical reasoning and scientific methods of deduction. Throughout his career, Doyle penned four novels and 56 short stories featuring Holmes, all chronicled in 'The Complete Sherlock Holmes Books'. Doyle's narrative style, marked by intricate plotting and sharp dialogue, immortalized Sherlock Holmes and his loyal friend, Dr. John Watson. While best known for his detective fiction, Doyle also wrote historical novels, science fiction, plays, and romances, showcasing his versatility as a writer. Despite his prolific range, it is the enduring appeal of Sherlock Holmes that solidifies Doyle's literary legacy. His contributions have significantly shaped modern crime fiction, inspiring countless adaptations and reinterpretations across various forms of media. A man of many interests, Doyle's own life and convictions often influenced his writings, including his later fascination with spiritualism. Doyle's impact on literature is undeniable; he has been lauded for his imaginative creativity and his role in pioneering the detective genre.