O The Places You’ll Go, Dr. Seuss, 1990
GO-GIVER, Bob Burg and John David Mann, 2007
The Nine Rooms of Happiness, Lucy Danziger and Catherine Birndorf, 2010
52 Ways to Build Your Self-Esteem and Confidence, C. E. Rollins, 1992
Maximum Achievement, Brian Tracy, 1993
More Money Than God, Steven Z. Leder, 2003
—–
CD-Meditation: 4 Steps to Calmness and Clarity, Ed and Deb Shapiro, music by Tim Wheater