There are several books that can help you understand and heal from betrayal trauma. Here are a few suggestions:
"The Journey from Abandonment to Healing" by Susan Anderson
"Transcending Post-Infidelity Stress Disorder (PISD)" by Dennis C. Ortman
"Healing from Hidden Abuse" by Shannon Thomas
"The Body Keeps the Score" by Bessel van der Kolk
These books provide insights, strategies, and tips on coping with the effects of betrayal trauma and moving toward recovery.