CRIME Sherlock Holmes battles against a criminal organisation in Conan Doyle’s ‘The Five Orange Pips’. In Charles Dickens’ ‘Hunted Down’ a ruthless murderer is brought to justice. In ‘The Stir Outside the Café Royal’ by Clarence Rook an American woman tracks down her fiancé’s killer. And in G. K. Chesterton’s ‘The Oracle of the Dog’ Father Brown solves a difficult murder case. Dossier: English Detective Fiction