Agustín Sánchez Vidal (Salamanca, 1948) is a professor of Cinema and other audiovisual media at the Universidad de Zaragoza and a visiting professor of several American and European universities, including Princeton and Nanterre (Paris X). He has worked as a scriptwriter for cinema and television and has collaborated with directors such as Carlos Saura. From among his more than fifty books about literature, art and cinema, special mention should be made to Buñuel, Lorca, Dalí: el enigma sin fin, Premio Espejo de España in 1988 and Sol y sombra. He made his début as a novelist in 2005 with La llave maestra, which was followed by Nudo de sangre, winner of the Premio Primavera de Novela in 2008. Many of his works have been translated into several languages. His most recent novel is Esclava de nadie, winner of the Premio Internacional de Novela Histórica Ciudad de Zaragoza 2011.