The Museo de la Biblioteca Nacional de España is a museum located near Barrio de las Letras, dedicated to the history of books and printing. It showcases a collection of rare books, manuscripts, maps, and other bibliographic treasures that highlight the cultural heritage of Spain. The museum offers free admission, allowing visitors to explore the fascinating world of books and discover the historical importance of the written word. With its unique collection and educational exhibits, the Museo de la Biblioteca Nacional de España is a haven for book lovers and history enthusiasts.