Mary poses with her mother, Edwinetta Schroeder Zurhorst, and a horse at the family's summer home in Leonardtown, MD.
From page 5 of the book: "My mother had the voice, the looks and the classical training for a career in music—as a fourth generation Capitol Hill musician. She lacked only permission from her father and husband to accept the professional offers that came her way. She never got that permission."
