Last winter

Summary: In the midst of his marital crisis, Gus takes their daughter's class on an overnight trip into the wilderness, where Ruby is one of only two children to survive the avalanche that kills the others, including her beloved father. After the search ends with no sign of her father, Ruby is determined to find him herself, using the survival skills he taught her and believing that he must still be alive. Her trek back into the snow sets off events that stretches her own resourcefulness and her mother's fragile coping skills to the breaking point.