- A Little Less Conversation: Connecting with Customers in a Noisy World
- Sandbox Wisdom: Revolutionize Your Brand with the Genius of Childhood
- The Business of Belief: How the World's Best Marketers, Designers, Salespeople, Coaches, Fundraisers, Educators, Entrepreneurs and Other Leaders Get Us to Believe
- The Four Sides of Sandbox Wisdom: Building Relationships in an Age of Chaos, Complexity and Change
- Opportunity Screams: Unlocking the Hearts and Minds of Today's Idea Economy