In this magisterial work, Joseph O'Callaghan offers a detailed account of the establishment of Alfonso X's legal code, the Libro de las leyes or Siete Partidas, and its applications in the daily life of thirteenth-century Iberia, both within and far beyond the royal courts. O'Callaghan argues that Alfonso X, el Sabio (the Wise), was the Justinian of his age, one of the truly great legal minds of...