sentences:  The family's adventures show its differences from contemporary society.Along the way, they meet a teenage gang in Tennessee, help rescue children from a flood in Texas, and find an abandoned baby at a campsite in Utah.Vicky's younger sister Suzy grows emotionally during the trip, from wanting to adopt a fawn near the beginning to her later swift and competent rendering of first aid when another child is injured, despite wrong-headed demands by nearby adults.