Introverts make up at least one-third of the population—maybe as high as one-half—yet in so many ways the world feels as if it's made only for extroverts. How can it be that our social systems benefit one type of person while alienating the other?

As long as there are people, there will be questions about the human condition. How are people doing? What are their greatest struggles and fears and joys? And what does it mean to be a real human being at any point in time?