Jack Kornfield on healing trauma. https://dharmaseed.org/teacher/85/talk/17446/ Also, if you want to learn more about trauma, read The Body Keeps The Score by Bessel van der Kolk M.D.
Here's a wonderful book by Pema Chodron: The Wisdom of No Escape and the Path of Loving-Kindness. It has a good balance between Buddhist concepts and practical, wise advice. https://www.shambhala.com/the-wisdom-of-no-escape-1713.html