Tree of Pearls: The Extraordinary Architectural Patronage of the 13th-Century Egyptian Slave-Queen Shajar al-Durr

Shajar al-Durr--known as "Tree of Pearls"--began her remarkable career as a child slave, given as property to the Ayyubid Sultan Salih of Egypt. She became his favorite concubine, was manumitted, became the sultan's wife, served as governing regent, and ultimately rose to become the legitimately appointed sultan of Egypt in 1250 after her husband's death. Shajar al-Durr used her wealth and power to add a tomb to his urban madrasa; with this innovation, madrasas and many other charitably end...