The year is 1875. The Arizona Territory is a wild, sparsely settled place. The Martin family's Box M Ranch is ten miles from their nearest neighbor and twenty miles from Tucson. Ma has been gone for two years, and Pa hasn't been the same since she passed. Something inside him broke when he lost her. Fifteen-year-old Ruth, fourteen-year-old Thad, twelve-year-old Sarah, ten-year-old Bart, and eight-year-old Billy have been doing most of the work...