Looking for great parenting books & relationship reading? Here are my suggestions:

Parenting Books

Bright from the Start, by Jill Stamm, Ph.D., 2007.
Bright Minds, Poor Grades: Understanding and Motivating Your Underachieving Child, by Michael D. Whitley, Ph.D., 2001.
Children: the Challenge, by Rudolf Dreikurs, M.D.,
For Parents and Teenagers: Dissolving the Barrier Between You and Your Teen, by William Glasser, M.D., 2003.
Honey, I Wrecked the Kids, by Alyson Schafer, 2009.
How to Talk So Kids Will Listen & Listen So Kids Will Talk, by Adele Faber and Elaine Mazlish, 1980.
Letting Go with Love and Confidence: Raising Responsible, Resilient, Self-Sufficient Teens in the 21stCentury., by Kenneth Ginsburg, M.D., M.S.Ed., 2011.
Parenting from the Inside Out: How a Deeper Understanding Can Help You Raise Children Who Thrive,by Daniel Siegel, M.D., and Mary Hartzell, M. Ed., 2003.
Positive Discipline, by Jane Nelsen, Ed.D., Balentine Books, 1996
Positive Discipline for Preschoolers, by Jane Nelsen, Ed.D., Cheryl Erwin and Roslyn Duffy, 2007.
Sex and Sensibility: The Thinking Parent’s Guide to Talking Sense About Sex, by Deborah Roffman, 2001.
The Childhood Roots of Adult Happiness: Five Steps to Help Kids Create and Sustain Lifelong Joy, by Edward M. Hallowell, M.D., 2002
The Explosive Child,  by Ross W. Greene, Ph.D., 2005.
The Whole-Brain Child,  by Daniel Siegel, M.D., and Tina Payne Bryson, Ph.D., 2012.
When Anger Hurts Your Kids: A Parent’s Guide, by Matthew McKay Ph.D., Patrick Fanning, Kim Paleg, Ph.D., and Dana Landis., 1996
Yes, Your Teen is Crazy! Loving Your Kids Without Losing Your Mind, by Michael Bradley, Ed. D., 2003.

Books for Couples

Getting the Love You Want, by Harville Hendrix, Ph.D., 1988.
Hold Me Tight: 7 Conversations for a Lifetime of Love, by Sue Johnson, 2008.
The 5 love Languages: The Secret to Love That Lasts, by Gary Chapman, 2010.
Making Marriage Simple, by Harville Hendrix, Ph.D. and Helen LaKelly Hunt, Ph.D., 2013
Mindsight: The New Science of Personal Transformation, by Daniel Siegel, M.D., 2010
The Relationship Cure: A 5 Step Guide to Strengthening Your Marriage, Family, and Friendships, by John Gottman, Ph.D., 2001
Receiving Love: Transform Your Relationship by Letting Yourself be Loved, by Harville Hendrix, Ph.D., and Helen LaKelly Hunt, Ph.D., 2004