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

David and Goliath: Underdogs, Misfits and the Art of Battling Giants

Start With Why: How Great Leaders Inspire Everyone to Take Action

Finding Your Element: How to Discover Your Talents and Passions and Transform Your Life

The Personal MBA: The bestselling business book containing you everything you need to know about marketing, management and leadership