Sir Ian Rankin joins Simon and Matt for a natter about his new book, Midnight And Blue.
They discuss the challenges of writing a book from a world inside a prison, and how much Ian had to research to ensure he got the details right.
And of course they chat about music (Pentangle even get a mention) and the recent screen adaptation of his book.
Learn more about your ad choices. Visit megaphone.fm/adchoices