Introvert Power: Why Your Inner Life Is Your Hidden Strength (Reduce Anxiety and Boost Your Confidence and Self-Esteem with this Self-Help Book for Introverted Women and Men) Paperback – February 1, 2013

Introvert Power: Why Your Inner Life Is Your Hidden Strength (Reduce Anxiety and Boost Your Confidence and Self-Esteem with this Self-Help Book for Introverted Women and Men)

Quiet: The Power of Introverts in a World That Can't Stop Talking

The Secret Lives of Introverts: Inside Our Hidden World