HARDtalk Extra - Crime novelist Ian Rankin.

An interview with Ian Rankin, a novelist whose work has been compared to the best of Arthur Conan Doyle or James Ellroy. His crime novels are set in the Edinburgh of Jekyll and Hyde and Robert Louis Stevenson. His latest, Exit Music, sees his creation Detective Inspector John Rebus apparently bowing out. Or does he? Gavin Esler finds out.