His Last Bow: Some Reminiscences of Sherlock Holmes is a 1917 collection of previously published Sherlock Holmes stories by Arthur Conan Doyle, including the titular short story, "His Last Bow. The War Service of Sherlock Holmes".
Sir Arthur Ignatius Conan Doyle KStJ DL was a British writer and medical doctor. He created the character Sherlock Holmes in 1887 when he published A Study in Scarlet, the first of four novels and more than fifty short stories about Holmes and Dr. Watson.