Books I have found helpful:
An Adult Child’s Guide to What’s Normal
Taking Our Places by Norman Fischer
Everyday Zen: Love and Work by Joko Beck
WiseHeart by Jack Kornfield
When Things Fall Apart by Pema Chodron
Co-Dependence: Healing the Human Condition
Letters to a Young Therapist by Mary Pipher
Buddha’s Brain by Rick Hanson
Parenting with Love and Logic (series)
The Four Agreements by Don Miguel Ruiz
Zen Heart by Ezra Bayda
Waking Up to What You Do
On Becoming a Person by Carl Rogers
Introduction to Internal Family Systems by Richard Schwartz
Boundaries and Relationships by Charles L. Whitfield
Doing Imago Relationship Therapy In The Space Between