"This workbook is one of a series of publications for parents and professionals based on the Positive Parenting Program, or 'Triple P'. It is a scientifically researched family support strategy designed to help parents improve their parenting skills and build positive relationships with their children. This unique program was developed by clinical psychologist, Professor Matthew R. Sanders and his colleagues from the School of Psychology at the University of Queensland, Australia." This workbook is part of the United States of America edition. Other program resources available are additional textbooks, teaching manuals, DVD's and parenting tip sheets.