How do you keep a long-running crime series fresh when your hero or heroine has probably experienced more drama in 100 pages than most people experience in a lifetime? Phil Rickman talks to bestselling American novelist Patricia Cornwell about her latest Kay Scarpetta novel, Chaos. Ian Rankin is arguably the most successful crime writer in Britain, and he talks about his latest Rebus novel, Rather Be the Devil; and Elly Griffith talks about her latest Stephens and Mephisto Mystery, set in Brighton in 1953: The Blood Card. Show less