Interpersonal and Consultant Supervision Skills: A Clinical Model, 4th edition, 2006, contains theory about supervision, clear explanations of the skills required to implement the theory, and practical training activities to teach supervisors the skills. The materials have been used by the authors and many trainers across the United States and around the world to teach middle and upper level managers in schools and universities, including team leaders, principals, chairpersons, curriculum coordinators, supervisors, department heads, department chairs, professors, and teachers. The book has been the basis for improving supervision in entire school districts, college and university supervision departments, individual consultations, national leadership training programs, and state departments of education.