On Thursday, April 27, Josep Lluís Martos, professor of Medieval Literature at the University of Alicante, will present the book El primer cancionero impreso y un pliego poético incunable at the Biblioteca Histórica. The author will give a lecture in which he will announce news about two of the jewels of our collection, Obres o trobes en lahors de la Verge Maria, the first Hispanic poetic print, produced in Valencia in 1474 and unique copy in the world. He will also talk about the work Salve Regina by Pere Vilaspinosa, also preserved in the library, which, according to the latest research -which would date it between 1491 and 1495- becomes the first strictly poetic Valencian printed sheet of which there is evidence.