Producers and audiences are hungrier than ever for stories, and a lot of those stories begin life as a book - but how exactly do you transfer a story from the page to the screen? Alistair Owen puts all key questions to some of the top names in screenwriting, including Hossein Amini (Drive), Jeremy Brock (The Last King of Scotland), Moira Buffini (Jane Eyre), Lucinda Coxon (The Danish Girl), Nick Hornby (An Education), and more.