Sor Juana Ines de la Cruz (1648-1695) wrote poetry, prose, and plays and is considered the greatest of Mexican women writers. She was an intellectual prodigy, reportedly mastering Latin in twenty lessons, and at sixteen she entered a convent so that she might continue her learning. One of the most influential early feminists in the New World, she answered a bishop's criticism in a letter that has become a classic defense of the education of women. She collected a private library of 4,000 volumes, but when she was told that her studies were delaying the progress of her spiritual education,...

Alfonso X (1221--1284) reigned as king of Castile and Leon from 1252 until his death. Known to history as El Sabio, the Wise, or the Learned, his appreciation for science and the arts led him to sponsor a number of books on the history of Spain since its Roman settlement. Among them were the Cantigas de Santa Maria, a collection of over four hundred poems exalting his favorite patron saint, Mary, and chronicles of all the kings of Castile and Leon, Navarre, Aragon, and Portugal.

Alfonso X died before his own life could be written. His was a reign fraught with political...