Britt Robertson

There have been times where I have been playing a 16-year-old, and people have been like, 'She still looks 12.' I'm like, 'I'm 22. What do you mean I don't look 16?' So I'm comfortable just rocking my young body.

The historical novelist has to consider what has actually happened, while the SF writer is dealing in possibilities, but they are both in the business of imagining a world unlike our own and yet connected to it.