Books (by date of publication)
- Carl Sandburg: A Biography. New York: C. Scribner’s Sons, 1991.
- James Earl Jones: Voices and Silences. New York: Maxwell Macmillan, 1993. (Co-author with James Earl Jones).
- Steichen: A Biography. New York: Clarkson Potter, 1997.
- Old Salem: The Official Guidebook. Winston-Salem, N.C.: Old Salem, Inc., 2000.
- Carl Sandburg: Adventures of a Poet. Orlando, Fla.: Harcourt, 2003.
- Swimming Lessons: Life Lessons from the Pool, from Diving in to Treading Water. Orlando, Fla.: Harcourt, 2004.
- Thornton Wilder: A Life. New York: Harper, 2012.