Oliva Hayfield is a pen name under which British editor Sue Copsey writes glamorous modern fiction loosely based on Tudor history: so far, Wife After Wife (2020) and Sister to Sister (2021). Copsey lives in Auckland and works in publishing. She is also the author of several children's books, including The Ghosts of Tarawera, which received a Notable Book Award from the Storylines Children's Literature Trust of New Zealand.