Mastering the Art of Public Speaking: 8 Secrets to Transform Fear and Supercharge Your Career (Unabridged)
2020
How to Think like Leonardo da Vinci: Seven Steps to Genius Every Day (Abridged)
2006
How to Think Like Leonardo da Vinci: Seven Steps to Genius Every Day (Unabridged)
2006
Mind Mapping: How to Liberate Your Natural Genius
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