Most Americans take it for granted that a thirteen-year-old in the fifth grade is "behind schedule," that "teenagers who marry "too early" are in for trouble, and that a seventy-five-year-old will be pleased at being told, "You look young for your age." Did an awareness of age always dominate American life? Howard Chudacoff reveals that our intense age consciousness has developed only gradually since the late nineteenth century. In so doing, he explores...