This is fiction about 16 year old Carrie, the only Pony Express rider who was female. While the author says her extensive research did not find there actually was such a female rider delivering the mail, she writes a realistic yarn that makes Carrie and other characters come alive. Of course Pony Express officials question the advisability of a female riding across the miles, but after adventures with a strange Indian, a secret society, and a . . . ohhhh, better u read this winner yourself! Enjoy!