Many books about hypnotherapy are expensive.
He/she listens, and then works out patterns and th.
A therapist should be a catalyst for beneficial change.
However, "Hypnotherapy, causes, effects and strategies for effective treatment with hypnosis, hypnotherapy and NLP" is affordable essential reading for anybody who practices, wishes to practice and for clients who want to seek help from a therapist.
I do not know why, but I can guess that they are written as much for profit as for help.
Many books about hypnotherapy are expensive