Title: Hardcastles Mandarin A Hardcastle And Marriott Historical Mystery
Subjects: World War, 1914-1918, Murder, Police, Ernest Hardcastle (Fictitious character), Fiction, Secret service, Investigation, History, Detective Inspector Hardcastle (Fictitious character), Fiction, mystery & detective, police procedural, World war, 1914-1918, fiction, London (england), fiction, Great britain, fiction, Germany, fiction