The Power of Purpose, 3rd Edition : Find Meaning, Live Longer, Better
2015
The Power of Purpose, 4th Edition : To Grow and to Give for Life
2025
Work Reimagined : Uncover Your Calling
2015
Something to Live For : Finding Your Way in the Second Half of Life
2008
True North Groups : A Powerful Path to Personal and Leadership Development
2011
Who Do You Want to Be When You Grow Old? : The Path of Purposeful Aging
2021