Books
These are books I have found extremely useful in working with people over the years:

Sacred Sorrows--Embracing and Transforming Depression, editors: John and Andrea Nelson
Full Catastrophe Living by Jon Kabot-Zinn
Focusing by Eugene T. Gendlin
There is Nothing Wrong with You by Cheri Huber
The Narcissitic Family by Stephanie Donaldson-Pressman and Robert Pressman
When Things Fall Apart by Pema Chodron
Lord Jim by Joseph Conrad
Man's Search for Meaning by Victor Frankl
Growing Yourself Up. How to Bring Your Best to all of Life's Relationships by Jenny Brown
Passionate Marriage, Keeping Love and Intimacy Alive in Committed Relationships by David Schnarch
Extraordinary Relationships by Roberta M. Gilbert  
Hold Me Tight, Seven Conversations for a Lifetime of Love by Sue Johnson
Healing Through the Dark Emotions, The Wisdom of Grief, Fear, and 
Despair by Miriam Greenspan
Quiet: the Power of Introverts in a World that Can't stop Talking
Parenting from the Inside Out: How a deeper Self-Understanding can help you raise children who Thrive by Dan Siegel and Mary Hartzell
The Drama of the Gifted Child by Alice Miller
The Wizard of Oz and other Narcissists, Coping with the One-Way Relationship in Work, Love and Family  by Eleanor D. Payson