"Sixteenth-century Europe saw an explosion of female rule. Large swathes of the continent were under the firm hand of a dozen reigning women as queens, regents, mothers, wives, or counselors. From Isabella of Castile, her daughter Katherine of Aragon, and her granddaughter Mary Tudor, to Catherine de Medici, Anne Boleyn, and Elizabeth Tudor; from England and France to the Netherlands, and across the Holy Roman Empire, these women wielded enormous power over their territories, shaping the course of European history for over a century"--