S.G. MacLean has a PhD in history from Aberdeen University. She is the author of two historical crime series - The Alexander Seaton series, set in seventeenth-century Scotland, and the Damian Seeker series, set in Oliver Cromwell's London, as well as the standalone Jacobite thriller, The Bookseller of Inverness. She has been shortlisted four times for the CWA Historical Dagger, winning it twice. S.G. MacLean lives in Conon Bridge, Scotland.