Historian Fox offers this first dual biography of the daughters of Spain's Ferdinand and Isabella whose entwined royal relationships helped define the 15th- and 16th-century European political landscape.

1474. Castile was the largest, strongest, and most populous kingdom in Hispania-- and Isabella ascended the throne, a female ruler in a male-dominated world. Her marriage to Ferdinand of Aragon not only united their kingdoms, but began a royal partnership in which Isabella more than held her own. Tremlett chronicles Isabella's colorful life as she led her country out of the Middle Ages and harvested the ideas and tools of the Renaissance to turn her...