Following are some books that I recommend. My list changes from time to time, and I love getting
feedback about your experience in discovering these authors!

The Body Keeps the Score,
Bessel van der Kolk, MD

Mindsight,
Daniel J. Siegel, MD

DBT Skills Training Handouts and Worksheets, Second Edition, 
Marsha M. Linehan,Ph.D., ABPP

The Dialectical Behavior Therapy Skills Workbook:  
Practical DBT Exercises for Learning Mindfulness,
Interpersonal Effectiveness,Emotion Regulation &
Distress
Tolerance
Matthew McKay, Ph.D., Jeffrey C. Wood, Psy. D.,
Jeffrey Brantley, MD

When Things Fall Apart, Heart Advice for Difficult Times,  
Pema Chödrön

Radical Acceptance: Embracing Your Life with
the Heart of a Buddha, 

Tara Brach, Ph.D.

Rising Strong,
Brené Brown, Ph.D., LCSW

The Invitation,
Oriah Mountain Dreamer