Brin is an author, teacher and mother. Her psychological thriller Ghosts in the Rain was shortlisted for the Mslexia Novel Prize in 2017. She has published short stories and edited a literary journal. Children of the Furnace was her first novel for a Young Adult audience, followed by Crosstrees. In 2019, Children of the Furnace was shortlisted for the New Zealand Book Awards for Children and Young Adults in two categories. She lives in the Top of the South with her three children, partner and three dogs.