When Grandfather Buffalo, the oldest bull of the herd, trails behind the group, he finds that he is joined by a newborn calf.

After hunters kill off the buffalo around her Texas ranch, a woman begins raising orphan buffalo calves and eventually ships four members of her small herd to Yellowstone National Park, where they form the beginnings of newly thriving buffalo herds. Based on the true story of Mary Ann Goodnight and her husband Charles; includes author's note about her work, with websites and a bibliography.