The Third Chapter: Passion, Risk, and Adventure in the 25 Years after 50

"We must develop a compelling vision of later life: one that does not assume a trajectory of decline after fifty, but one that recognizes it as a time of change, grown, and new learning; a time when ‘our courage gives us hope.'" —from The Third Chapter

At a key moment in the twenty-first century, demographers are recognizing the significance of a distinct developmental phase: those years following early adulthood and middle age when we are "neither young nor old." Whether by choice…