22 New Zealand writers talk about the idea of home in a new collection of essays brought together by Thom Conroy. It's called Home: New Writing. Few of these pieces are nostalgic or sentimental in their interpretations of what home means to them. Often home doesn't mean a house, a home town or even a country - but a state of mind. Lynn Freeman talks to editor Thom Conroy and essayist Sarah Jane Barnett.