New brain research is proving it: Women at midlife really do start to see the world differently. Some 37 million women now entering their fifties and sixties—a unique generation—are refashioning their lives, with dramatic results. They have fulfilled all the prescribed roles—daughter, wife, mother, employee, but they’re not ready to retire. They want to experience more. Suzanne Braun Levine gives us a fun, smart, and tremendously informative road map through the challenging and uncharted territory that lies ahead.