Harriet Cade Knihy

When his father is killed and his sister kidnapped following a confrontation with a powerful rancher; it falls to fourteen-year-old Zachariah Hogan to set matters straight. That this would entail his riding with a band of Sioux warriors was something that the boy could not, in his wildest dreams, ever have imagined. So it is that a youngster who has not yet begun to shave becomes embroiled in the last action of the Great Sioux War of 1876.

When 15-year-old Jack Taylor is offered a job with the newly formed Pony Express Company, it looks as though he will be able to rescue his family from the financial problems which are troubling them. However, he injures his ankle, and it is likely his job will fall through. His twin sister, Beth, decides to ride in his place; this is the story of the only girl to ever ride for the Pony Express.