This powerful middle-grade novel from the Newbery Honor author of Rules explores a friendship between a small-town girl and the daughter of migrant workers.When Lily's blind dog, Lucky, slips his collar and runs away across the wide-open blueberry barrens of eastern Maine, it's Salma Santiago who manages to catch him. Salma, the daughter of migrant workers, is in the small town with her family for the blueberry-picking season. After...