Edinburgh-born Arthur Conan Doyle (1859-1930) took a degree in medicine at Edinburgh University before becoming a doctor in Southsea. He began writing detective stories to supplement his income and 'A Study in Scarlet' (1887) introduced his finest creation, the hawk-eyed detective, Sherlock Holmes.
Iain Pears is the is the best-selling author of six detective novels, including An Instance of the Finger Post.
Ed Glinert is a journalist and writer.