Professor Wigger's research interests focus on American religious and cultural history. He is currently writing a book on Jim Bakker, PTL, and American religious culture, Selected Publications: American Saint: Francis Asbury and the Methodists. Oxford University Press, 2009., Taking Heaven by Storm: Methodism and the Rise of Popular Christianity in America, 1770-1820. Oxford University Press, 1998; paperback, University of Illinois Press, 2001., Methodism and the Shaping of American Culture, co-edited with Nathan Hatch. Kingswood Books, 2001.