For three decades, Hayden Maginnis has helped shape the way historians of medieval painting consider the art of Italy. Noted for his illuminating essays, Maginnis has recently set out to produce a three-volume study of thirteenth- and fourteenth- century Sienese painting that will surely set the standard for new approaches to art history for generations to come. The first book in this series, the highly acclaimed Painting in the Age of Giotto: A Historical Reevaluation,...