Collaborative Assessment, or Therapeutic Assessment, has been a recognized concept in clinical and counseling psychology for twenty years and one that is now rapidly growing in popularity. It is a process by which clients play an active role in assessing their mental health, and in doing so accelerate their well-being. Finn has prepared this very detailed handbook for masters and doctoral students in clinical psychology and counseling. He discusses the principles and background of therapeutic assessment, procedures for using it with clients, and special issues that need to be considered.