Here is a list of books from published authors working in the world of therapy. It is a short and arbitrary list that may help you dip into relevant topics and explore the views of other people.
I will add to it over the time to come if you want to look beyond the web links I have on offer for you.
Beck, Judith (1995) Cognitive Therapy. New York: Guilford Press
Berne, E (1974) What do you say after you say Hello. Corgi Books
Burns, D (1990) The Feeling Good Handbook. New York: Penguin.
Cozolino, L (2002) The Neurosccience of Psychotherapy. New York: W W Norton
Dana, D (2018) The Polyvagal Theory in Therapy. New York: W W Norton.
Grinder, J and Bandler, R (1981) TRANCE-formations. Moab, Utah: Real People Press
Levin, P (1988) Cycles of Power. Florida: Health Communications.
Mollen, P (2005) EMDR and the Enregy Therapies. London: Karnac.
Newby, D (2017) The Unopened Gift
O’Connor, R (2021) When it is Darkest. London: Penguin.
O’Hanlon, W H (1987) Taproots. New York: W W Norton.
Porges, S (2011) The Polyvagal Thery. New York, W W Norton.
Seung, S (2012) Connectome. Allen Lane, London
Siegel, D. J. (2010) Mindsight: The New Science of Personal Transformation. New York: Bantam Books.
Siegel, D. J. (2018) The Developing Mind: How Relationships and the Brain Interact to Shape Who We Are. 3rd ed. New York: Guilford Press.
Steiner, C (1974) Scripts People Live New York: Grove Press