Ian Rankin’s latest Rebus novel “Exit Music” twists and turns through both plot and Edinburgh in the fine style we’ve come to expect. I say “latest” rather than “last” since although this book charts his final days as a police detective, it is possible that the franchise will continue through Siobhan or even Rebus himself in another mode (I seem to recall that TV’s “Taggert” managed to continue even after Taggert was dead).

 Anyway, if Rankin did decide to stop the Rebus series with this one, it would be on a splendid high note - highly recommended.