<p>We propose that design thinking and design reasoning can play an important role in assisting the field of mental health as it explores what it means to move expertise beyond current health care settings. The clinical literature is comprised of three dominant modes of discussion: a) theory which explores and defines the healing process, b) techniques of psychotherapy, c) case studies by both clinicians and patients reporting on experiences of healing and recovery.&nbsp; Our book offers a fourth conversation which includes design reasoning as an established means for applying theory and research to mental health treatment and personal growth. Visit our book web site at http://psychologysnewdesignscience.com</p>