ARTHUR E. JONGSMA, Jr., PhD, is Series Editor for the bestselling PracticePlanners®. Since 1971, he has provided professional mental health services to both inpatient and outpatient clients. He managed a group private practice for twenty-five years and is now a staff member at Life Guidance Services in Grand Rapids, Michigan. ROBERT R. PERKINSON, PhD, resides in Canton, South Dakota. He is Clinical Director of the Keystone Treatment Center in South Dakota and author of Treating Alcoholism: Helping Your Clients Find the Road to Recovery (Wiley).