- "*In Memory of the Wind:Reflections of a Naturalist Naturalist* (βιβλίο Nature; Texas A&M University Press, 2004)
- "*Prairie Song:A Field Report from My Patch of Indiana* (βιβλίο Nature, εικονογράφηση του συγγραφέα, Indiana University Press, 2009)
- "*On Listening:A Journey Through the Art and Science of Sound* (Science, Indiana University Press, 2013)
- "*The Butchering Art:Joseph Lister's Quest to Transform the Grisly World of Victorian Medicine* (Science &History, PublicAffairs, 2008)
- "*Elizabeth, the Queen Mother:The Life of a Remarkable Woman* (Βιογραφία, Overlook Press, 2002)
- "*Queen Elizabeth:Mother, Monarch, Matriarch* (Βιογραφία, Overlook Press, 1998)
- "*Royal Life:The World's Most Famous Monarchs* (History, Reader's Digest Association, 1999)
- "*The Biographical Handbook of Presidents and First Ladies* (Reference, Simon &Schuster, 1995)
- "*The Presidents and Their Wives:A Biographical History of the American Presidency* (Reference, Quill Books, 1989)
- "*The Life and Times of Elizabeth II:A Pictorial History of a Remarkable Reign* (History, Reader's Digest Association, 1986)
- "*Elizabeth:The Queen Mother* (Βιογραφία, Charles Scribner's Sons, 1985)
- "*The Life and Times of Queen Elizabeth I:A Pictorial History of the Virgin Queen* (History, Reader's Digest Association, 1984)
- "*The Life and Times of Queen Elizabeth II* (History, Simon &Schuster, 1982)
- "*Γυναίκες στο Κογκρέσο των ΗΠΑ* (Reference, Congressional Quarterly, 1980)
- "*Το Νέο Σύνταγμα των Η.Π.Α.:Μια πλήρης ανάλυση και ερμηνεία* (Reference, Quadrangle/New York Times Book Co., 1978)
- "*The U.S. Σύνταγμα:Ένας αναγνώστης* (Reference, Quadrangle/New York Times Book Co., 1976)
- "*Behind This Cloak:Profiles of President Wives from Edith Wilson to Rosalynn Carter* (Profiles, Stein and Day, 1975)
- "*The New Woman in America:From Colonial Times to the Present Day* (Social History, Franklin Watts, 1974)