I often recommend books to clients. Here are a few that I find particularly useful.
Soul without Shame
Taming your Gremlin
The Enneagram: Understanding Yourself and the Others in Your Life
Wisdom of the Enneagram: The Complete Guide to Psychological and Spiritual Growth for the Nine Personality Types
Positive Discipline for Teenagers (It’s not about discipline)
Get Out of My Life, (but First Could You Drive Me & Cheryl to the Mall)
How to Talk So Teens (Kids) Will Listen & Listen So Teens (Kids) Will Talk
Crossing The Bridge: A Jungian Approach To Adolescence
Recommended Podcast: The Huberman Lab