How to Think like Leonardo da Vinci: Seven Steps to Genius Every Day (Abridged)
2006
The Art of Connection: 7 Relationship-Building Skills Every Leader Needs Now (Unabridged)
2026
Speak with Power: Giving High-Performance Presentations for Profit and Results
2014
Walking Well: A New Approach for Comfort, Vitality, and Inspiration in Every Step
2024
Spiritual Insights Into the Genius of Leonardo da Vinci (Unabridged)
2000
Work Like Da Vinci : Gaining the Creative Advantage in Your Business and Career
2011