Arthur Conan Doyle wrote four novels and 56 short stories about Sherlock Holmes. The first two books are 1887' s A Christmas Yearbook of Beaton, "A Study of Blood Characters",
And the "four signatures" published in the undergraduate special issue of 1890. 189 1 serialized a series of short stories in strand magazine, which made Sherlock Holmes' popularity explode. Danzhi
It was not until 1927 that Mr. Conan Doyle wrote a sequel. The story happened in 1875- 1907. And his last case happened in 19 14.
Most stories are told from the perspective of Dr. John H. Watson, a friend and biographer of Sherlock Holmes. Only two of them were narrated by Holmes himself, and two were written in the third person.