Becoming a friend & lover
1986
Building a relationship that lasts
1988
Discovering God's Unique Purpose for You (A 31-Day Experiment)
2005
Building a positive self-image
1990
Thirty-One Day Experiment
1993
Friendship - The Basis for Love
1993
Singles and relationships
2005
Beating the breakup habit
1982
Building a strong family
1994
Faith: A Personal Experiment in Faith-Building
1993
Growing closer to God
1993
Knowing God's heart, sharing his joy
1993
Standing strong in a godless culture
1986
Knowing God By His Names
1993
Experiencing God by His Names
2015
Free to love again
1989
Beating the Break-Up Habit (Dynamic relationship series)
1983
Finding a lasting love
2003
Growing Closer to God (A 31-Day Experiment)
2005
How to relate to impossible people
2009
Knowing God by His Names (A 31-Day Experiment)
2005