Conan Doyle for the Defence : Profile Books : 9781781253564 : 1781253560 : 21 Jun 2018 : Just before Christmas 1908, Marion Gilchrist, a wealthy 82-year-old spinster, was found bludgeoned to death in her Glasgow home. A valuable diamond brooch was missing, and police soon fastened on a suspect - Oscar Slater, a Jewish immigrant who was rumoured to have a disreputable character. Slater had an alibi, but was nonetheless convicted and sentenced to death, later commuted to life imprisonment in the notorious Peterhead Prison. Seventeen years later, a convict called William Gordon was released from Peterhead. Concealed in a false tooth was a message, addressed to the only man Slater thought could help him - Arthur Conan Doyle. Always a champion of the downtrodden, Conan Doyle turned his formidable talents to freeing Slater, deploying a forensic mind worthy of Sherlock Holmes. Drawing from original sources including Oscar Slater's prison letters, this is Margalit Fox's vivid and compellin