The director of the Royal Library of the Monastery of San Lorenzo de El Escorial, Jos?? Luis de Valle with one of the pieces that make up the exhibition 'Codices of the Wise King. VIII Centenary of Alfonso X', at the Royal Library of the Monastery of San Lorenzo de El Escorial, on 22 November 2021, in San Lorenzo de El Escorial, Madrid, (Spain). The exhibition, organized on the occasion of the eighth centenary --on November 23, 2021-- of the birth of the King of Castile and Le?ln, is dedicated to the original Alphonsine codices of his 'scriptorium' that are preserved in the institution, and to the memory of the immense scriptural production promoted by the "wise" king. Photo by Rafael Bastante/Europa Press/ABACAPRESS.COM