A journalist channels her ice-cream obsession, scouring the United States for the best artisanal brands and delving into the surprising history of ice cream and frozen treats in America. For Amy Ettinger, ice cream is not just a delicious snack but a circumstance and a time of year--frozen forever in memory. As the youngest child and only girl, ice cream embodied unstructured summers, freedom from the tyranny of her classmates, and a comforting escape...