To save their family, Bo-Bo, a golden mutt, and her human brother Sheng must find a legendary treasure during the California Gold Rush in this second book of the At the Heels of History series, inspired by important events and told through the eyes, ears, and noses of dogs. California, 1852. Sage, a golden, big-hearted mutt, is abandoned by her pack. She is about to give up hope when a silly bird squawks her out of her sadness...