How long have you been writing for?

Most of my (long) life. It’s a habit.

What would you say is the most difficult part of writing a book?

It’s all difficult and none of it should be easy. The most difficult part, for me, is editing: reducing and murdering my darlings. I have a tendency to overwrite and to include material which my editing instinct tells me should go. But it’s so hard to cut.

What genre do you generally write?

Fiction. I’ve written...