Originally published: New York : Crown Publishers, c2012. Includes a reader's guide.

Introduction: the north and south of temperament -- The rise of the "mighty likeable fellow": how extroversion became the cultural ideal -- The myth of charismatic leadership: the culture of personality, a hundred years later -- When collaboration kills creativity: the rise of the new groupthink and the power of working alone -- Is temperament destiny?: nature, nurture, and the orchid hypothesis -- Beyond temperament: the role of free will (and the secret of public speaking for introverts) -- "Franklin was a politician, but Eleanor spoke out of conscience": why cool is overrated -- Why did Wall Street crash and Warren Buffett prosper?: how introverts and extroverts think (and process dopamine) differently -- Soft power: Asian-Americans and the extrovert ideal -- When should you act more extroverted than you really are? -- The communication gap: how to talk to members of the opposite type -- On cobblers and generals: how to cultivate quiet kids in a world that can't hear them -- Conclusion: Wonderland.