The author describes his book tour through the United States, as he travels alone across the country driving a Prius he nicknamed "Mule."

"When Miss Norma was diagnosed with uterine cancer, she was advised to undergo surgery, radiation, and chemotherapy. But instead of confining herself to a hospital bed for what could be her last stay, Norma--newly widowed after nearly seven decades of marriage--rose to her full height of five feet and told her doctor, 'I'm ninety years old. I'm hitting the road.' Packing what she needed, Norma took off on an unforgettable cross-country journey with...