Here are some useful resources for adults wanting to resolve childhood trauma:
Healing Developmental Trauma by Dr. Lawrence Heller
The Body Keeps the Score by Bessel van der Kolk. How to help traumatized people heal their body, minds and brains. 141 weeks on NYT's best seller list and counting!
In the Realm of Hungry Ghosts by Gabor Mate. Addiction and the legacy of pain and trauma.