I'm in my 80s and not a keen television fan.

You get to Hollywood and you are in the land of big money where they don't like to see only one screenwriter's name. It's much better if you've got four or five.

I never really saw myself as writing science fiction anyway.

The trick is the paradox - turning your story inside out. Now if it is something that appears to be of total normality and then suddenly turns inside out and is a different thing all together then that's fun to write.

The only folk I can judge are people like Woody Allen who I think is a genius, largely because I think he has beaten the system. He has his own company, and his films are all his own ideas. It's his direction, and so it comes out the way he imagined it.

I'm in my 80s and not a keen television fan.

I wanted to write a story that demanded the viewer's attention.