"Relatedness, Self-Definition and Mental Representation: Essays in Honor of Sidney J. Blatt" is a comprehensive textbook authored by John Auerbach,Kenneth N. Levy, and Carrie Schaffer focusing on research and theory in psychoanalysis, psychotherapy, and personality. Published in 2005 by Routledge, this hardcover book contains 336 pages written in English. It delves into the topics of relatedness, self-definition, and mental representation, making it a valuable resource for those studying psychology and seeking to honor the work of Sidney J. Blatt.