Lonely Planet: The world's leading travel guide publisher Lonely Planet Pocket Madrid is your passport to the most relevant, up-to-date advice on what to see and skip, and what hidden discoveries await you. View the marvellous frescoes at Plaza Mayor, see Picasso's Guernica at the Reina Sofia, or have a picnic in Parque del Buen Retiro; all with your trusted travel companion. Get to the heart of t...