"Do you enjoy having time to yourself, but always feel a little guilty about it? Then Susan Cain's "Quiet: The Power of Introverts" is for you. It's part book, part manifesto. We live in an era that values its extroverts -- the outgoing, the lovers of crowds -- but not the quiet types who change the world. In this engaging interview Cain discusses what it really means to be an introvert, the value of solitude in the creative process, and why we need to shift our cultural bias for gregariousness." This Scientific American article shares more.