Some Days There's Pie by Catherine Landis
Ruth thinks she has found her ticket out of Tennessee by eloping with a stereo salesman, but soon he "gets religion," and Ruth leaves. When she faints in a North Carolina five-and-dime, Rose, a feisty elderly reporter, rescues her, beginning a friendship stronger than family ties. With spirited humor and empathy, Landis intertwines the stories of Rose, who is in denial of her terminal illness, and Ruth, who possesses the energy of Rose in her younger days.
New York: St. Martin's Press, 2002