Lonely Planet: Spain by Damien Simonis
Lonely Planet has been the authority on budget, insightful, alternative travel for 30 years. This guide to Spain is no exception. Get this book and read it before you go to get psyched up, and plan your itinerary.
All Lonely Planet guides assume you are not just a tourist, but a traveler who really wants experience a different culture and the local people. And their books help you to do exactly that, and are perfect for turning you on to the cool things to do.