How to Think Like Leonardo da Vinci: Seven Steps to Genius Every Day (Unabridged)
2006
The Art of Connection: 7 Relationship-Building Skills Every Leader Needs Now (Unabridged)
2017
How to Think like Leonardo da Vinci: Seven Steps to Genius Every Day (Abridged)
2006
The Healing Organization
2019
Mind Mapping: How to Liberate Your Natural Genius
2014
Speak with Power: Giving High-Performance Presentations for Profit and Results
2014