Nine-year-old trisha mcfarland strays from the path while she and her recently divorced mother and brother take a hike along a branch of the appalachian trail. Lost for days, wandering farther and farther astray, trisha ...Nine-year-old trisha mcfarland strays from the path while she and her recently divorced mother and brother take a hike along a branch of the appalachian trail. Lost for days, wandering farther and farther astray, trisha has only her portable radio for comfort.