'A fascinating book, by turns riveting and unsettling, and wonderfully rich in period detail.' Craig Brown, Mail on Sunday On 16th August 1860 wealthy widow Mary Emsley was murdered in her own home. The investigation that followed had an abundance of suspects, from disgruntled step children concerned about their inheritance and an admirer repeatedly rejected by the widow, to a trusted employee, former police officer and spy. The eventual public trial was dominated by surprise revelations and shock witnesses, before culminating with one of the final public executions at Newgate. But was an innocent person sent to the gallows? Years after the case was closed Sherlock Holmes author Arthur Conan Doyle became convinced a miscarriage of justice had occurred but was unable to find the real killer. After confounding the best detectives for years, the case has finally been solved by bestselling author Sinclair McKay. Discover 'whodunit' as the real murderer is revealed for the first time exclusively in this captivating study of a murder case in the nineteenth century, a story never told before.