That Mary Ann: The Story Of A Country Summer is a novel by Kate Upson Clark that tells the story of a young girl named Mary Ann and her experiences during a summer spent in the countryside. The book is set in the early 20th century and follows Mary Ann as she leaves her city life behind and travels to a small town to stay with her aunt and uncle on their farm. Throughout the summer, Mary Ann learns about life on the farm, makes new friends, and discovers...