Robert and Harriet Swedberg have been publishing books about antiques for more than 25 years, including such titles as Encyclopedia of Antique American Clocks, American Clocks & Clockmakers, American Oak Furniture Styles, Price Guide to Antique Clocks, and Encyclopedia of American Oak Furniture. They travel throughout Europe and the United States to photograph, identify, and research values for antique clocks. Robert and Harriet Swedberg share their knowledge through conducting seminars, teaching classes, and lecturing and exhibiting at antique shows. They live in Moline, Il...