The following is a selection of books that I like and recommend. Some are intended for a professional audience, while others are, IMHO, worthwhile for the general public.

Psychotherapy:

Group Psychotherapy:

Relational Group Psychotherapy
By Richard M. Billow
The Theory and Practice of Group Psychotherapy
By Irvin D. Yalom, Molyn Leszcz

Child Psychotherapy:

Psychoanalysis:

The Christopher Bollas Reader
By Christopher Bollas