Complex sentence: Plumlee wrote an unpublished memoir of her time on the police force called "Badge 357" and at age 96 published the book "Stories of Hester Ann Bolin Harvey and Her Family", a collection of family stories and history.
Split into simpler sentences: Plumlee wrote an unpublished memoir of her experiences on the police force, called "Badge 357". At age 96, she published the book "Stories of Hester Ann Bolin Harvey and Her Family", a collection of family stories and history.