Plot: Sue Perkins presents the second of three programmes featuring highlights from 2011's Edinburgh Festival. Clemency Burton-Hill takes a look at multi-media theatre production, The Wind Up Bird Chronicle based on Haruki Murakami's cult novel; Alastair Sooke meets sculptor Tony Cragg, as Edinburgh hosts the first major retrospective of his work; and author Ian Rankin chats to museum director Sandy Nairn about his experience of art theft