|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||2 days ago||40.69||$20.25||You save $20.44|
|Amazon US||3 days ago||26.98||$20.25||You save $6.73|
Barbara Okun, Ph.D., is a professor of counseling psychology at Northeastern University and a clinical instructor at Harvard Medical School, a clinician, and an author. Joseph Nowinski, Ph.D. is a nationally known psychologist with over twenty years of practice and an award-winning author of several books.