Hidden History in San Diego County Author:William Carroll 23 Exciting walks visiting the best of San Diego's historic areas, plus 15 easy-driving day tours to nearby exploration and outdoor recreation. At last, a book for those who like to walk and for those who prefer to drive. Hidden History in San Diego is two great books inside one cover. Walking tours range from 30 minutes to several ... more »hours through comfortably nearby urban areas of great historical charm. Day trips by car involve as little as two hours or an overnight visit to Julian or the Borrego. All 15 motor tours are based on simple road-following instructions with plenty of itinerary details to eliminate worrisome map reading and concerns about lunch or fuel stops.« less