- The Science of Tennis: How Physics, Biology, and Technology Explain the Modern Game
- Japanese Healing Steps: Gentle Walking Routines for Joint Relief, Circulation, and Energy Renewal
- Healing Steps of Japan: A Soothing Walking Practice to Ease Pain and Awaken Vitality
- Fixing the Wrong Problem: A Practical Framework for Identifying the Real Problem Before Acting
- Retirement in the Age of AI: A Practical Guide for Seniors to Stay Safe, Independent, and Confident in a Changing World










