text:  How closely did you work with the novelist Olafur Johann, Olaf's son, on the screenplay? Very close. You know, it's said in the industry that you should never work with a novelist on a film script. Oh, really? Yeah, it's like no children, no animals, and don't work with a novelist. But this was very, very different. And he said from the beginning, it's your film, and be of any help to get the script right.