About | Caddo Publications USA creates and markets historical travel guides for the United States. Guides are in three series: American Auto Trails, which explore individual U.S. highways within each state; Slow Travels, which explore multiple routes within a state; and Historical Cities, which provide walking and driving lists of historical sites and landmarks within a given city. Guides are available in both print and digital formats. American Auto Trail guides are available for the Amazon Kindle. Slow Travels and Historical Cities guides are available for all eBook formats. |