In 1959, seventeen-year-old Gary Presley was standing in line, wearing his favorite cowboy boots and waiting for his final inoculation of Salk vaccine. Seven days later, a bad headache caused him to skip basketball practice, tell his dad that he was too ill to feed the calves, and walk from barn to bed with shaky, dizzying steps. He never walked again. By the next day, burning with the fever of polio, he was fastened into the claustrophobic cocoon...