Jerry Apps is professor emeritus at UW?Madison and the author of more than 30 books, mostly about country life and history. His newest, ?Campfires and Loon Calls: Travels in the Boundary Waters? (Fulcrum Publishing, $15.95), springs from journals he kept as he and his son Steve, chief photographer for the Wisconsin State Journal, canoed in the Boundary Waters Canoe Area Wilderness over the past 25 years.