Note: Not all of these book directly address case conceptualization or case formulation, but many those that don't remain highly relevant and informative for the case conceptualization process.
Ells, T. D. (2007). Handbook of psychotherapy case conceptualization (2nd. ed). New York: Guilford Press. (Purchase here
Levenson, H. (1995). Time-limited dynamic psychotherapy. New York: Basic Books. (Purchase here)
McWilliams, N (1999) Psychoanalytic case formulation. New York: Guilford Press. (Purchase here)
Persons, J. B. (1989). Cognitive therapy in practice: A case formulation approach. New York: W. W. Norton & Co. (Purchase here)
Yalom, I. D. (1980). Existential psychotherapy. New York: Basic. (Purchase here)