Jenny Oldfield

When her beloved palomino horse, Lucky, contracts a mysterious and potentially fatal illness, thirteen-year-old Kirstie seeks out a legendary horse doctor who lives deep in the Rockies.

When a guest at Colorado's Half Moon Ranch becomes injured while riding a horse named Johnny Mohawk, thirteen-year-old Kirstie must prove the horse's innocence to prevent a costly lawsuit.

When a sudden storm causes a landslide, thirteen-year-old Kirstie is trapped in a blind canyon with an injured wild stallion and his herd, while her mother's hired hand leads a group back to her family's dude ranch to summon help.