The author offers a novel based on the life of her grandmother, Lily Casey Smith, who learned to break horses in childhood, journeyed 500 miles on a pony as a teen to become a teacher, and ran a vast ranch in Arizona with her husband while raising two children, including Rosemary Smith Walls, portrayed in the author's acclaimed The Glass Castle.

The author offers a novel based on the life of her grandmother, Lily Casey Smith, who learned to break horses in childhood, journeyed 500 miles on a pony as a teen to become a teacher, and ran a vast ranch in Arizona with her husband while raising two children, including Rosemary Smith Walls, portrayed in the author's acclaimed The Glass Castle.