R. Andrew McDonald is Professor of History at Brock University, Canada, where he was the founding director of the Centre for Medieval and Renaissance Studies. He is the author of many books, book chapters and articles on medieval Scottish, Hebridean and Manx history, including The Kingdom of the Isles: Scotland's Western Seaboard, c.1100-c.1336, and is co-editor of The Viking Age: A Reader and Alba: Celtic Scotland in the Middle Ages.