Sir Arthur Conan Doyle was bron on 22 May 1859 in Edinburgh, Scotland. He studied medicine at the Edinburgh University, and qualified as a doctor in 1885, and so began his not so having practice. Which lasted till 1891 when he became a full time writer. The adventure stories writtne in his spare time gave birt to inimitable Sherlock Holmes, a private detective by profession, residing in 221B Baker Streed by 1920, Doyle was one of the most highly paid writer in the world. The characterisation of Holmes was so compelling that when Conan Doyle decided to kill him in "The final Problem" (1893) the public outcry made him resurrects his hero again Arthur Canon Doyle lived a varied and adventurous life.A historian whaler, athlete, war correspondent and spiritualist, he was knighted in 1902 for his work in a South African field hospital during the Boer War. He died on 7 July 1930. Contents : A Study in Scarlet The Sign of Four The Adventures of Sherlock Holmes The Memoirs of Sherlock Holmes The Return of Sherlock Holmes The Hound of the Baskervillers The Valley of Fear His Last Bow The Case Book of Sherlock Holmes.