There are so many quality, helpful books and videos available, and taking the time outside of therapy to self educate and self reflect will enhance the benefits of your experience. Following is a limited list of some books I personally know and recommend. I invite you to peruse the books and/or videos that resonate with your personal interests and sensibilities and challenge you to grow. Though I do not list them all, many of the following authors have published other excellent works you may wish to check out.
After the Honeymoon: How Conflict Can Improve Your Relationship, by Daniel B. Wile, Ph.D.
The Body Keeps the Score: Brain, Mind, and Body in the Healing of Trauma, by Bessel Van Der Kolk, M.D.
Bouncing Back: Rewiring Your Brain for Maximum Resilience and Well-Being, by Linda Graham
Brainspotting: The Revolutionary New Therapy for Rapid and Effective Change, by David Grand Ph.D
The Coddling of the American Mind: How Good Intentions and Bad Ideas Are Setting Up a Generation for Failure, by Greg Lukianoff and Jonathan Haidt
Daring Greatly, by Brene Brown
The Four Agreements, by Don Miguel Ruiz
The Five Love Languages: How to Express Heartfelt Commitment to Your Mate, by Gary Chapman
Flourish, by Martin E.P. Seligman
The Happiness Hypothesis: Finding Modern Truth in Ancient Wisdom, by Jonathan Haidt
The Happiness Trap, by Russ Harris
Healing the Shame that Binds You, by John Bradshaw
Helping Your Kids Cope with Divorce the Sandcastles Way, by M. Gary Neuman
How to be an Adult in Relationships: The 5 Keys to Mindful Loving, by David Richo
Hold Me Tight: Seven Conversations for a LIfetime of Love, by Dr. Sue Johnson
How to Talk So Kids Will Listen & Listen So Kids Will Talk, by Adele Faber & Elaine Mazlish
How to Win Friends and Influence People, by Dale Carnegie
I Thought It Was Just Me, by Brene' Brown
The Intimacy Factor: The Ground Rules for Overcoming the Obstacles to Truth, Respect, and Lasting Love, by Pia Melody
Man's Search for Meaning, by Viktor E. Frankl
Mating in Captivity: Unlocking Erotic Intelligence, by Esther Perel
Mindsight, by Daniel J. Siegel, M.D.
The New Rules of Marriage, by Terrence Real
Parenting From the Inside Out, by Daniel J. Siegel, M.D. and Mary Hartzell, M.Ed.
The Power of Now, by Eckhart Tolle
Raising An Emotionally Intelligent Child: The Heart of Parenting, by John Gottman, Ph.D.
The Seven Principles for Making Marriage Work, by John Gottman Ph.D.
Too Good to Leave, Too Bad to Stay: A Step-by-Step Guide to help you decide Whether to Stay In or Get Out of Your Relationship, by Mira Kirshenbaum
Toxic Parents: Overcoming Their Hurtful Legacy and Reclaiming Your Life, by Dr. Susan Forward
When Good People Have Affairs: Inside the Hearts & Minds of People in Two Relationships, by Mira Kirshenbaum
Wired for Love: How understanding your partner's brain and attachment style can help you defuse conflict and build a secure relationship, by Stan Tatkin, PsyD