Imagine hiking along a wooded trail near San Francisco and stumbling upon the stone foundation of a crumbled building, the wooden slats of the walls caved in, the ironwork of the hinges still dangling on the burned out door. This discovery piques your interest--what is this? What's its significance? How can you find out? Enter Hiking through History San Francisco Bay Area: Exploring the Region's Past by Trail. Make no mistake--this is a hiking book first and foremost, complete with rich photos and detailed maps, but with added extras and sidebars detailing enough historical information to satisfy every curiosity along the way.