Stewart studied Journalism and English at Rhodes University, South Africa and worked as a journalist on the Argus in Cape Town. She came to Australia in 1977, working on the Illawarra Mercury in Wollongong and then at the Sun-Herald as a news and feature writer. She went freelance in 1985, and also began to write fiction. Her first book, Born Into the Country, the story of a black woman's struggles, was published in 1988 in South Africa.
She has had articles, reviews and essays published for a variety of publications including the Sydney Morning Herald, the Bulletin, GQ,Island Magazine, Harper's Bazaar and the Canberra Times.
'I want to go back to the days when life made sense. The days before our parents became strange; before the warming ate away at all the living things in the world; before The Committee and their Blacktroopers. Before the Wall.
'Lily is a prisoner in her own home. Forced to stay inside by The Committee and guarded by their increasingly distant parents, Lily and her brother Daniel are beginning to ask why. Then, when Daniel disappears just before his seventeenth birthday, Lily knows she is next.' (From the publisher's website.)