Book excerpt: This book contains a series of articles, written by international experts in the fields of intellectual disability and quality of life, that explore a broad range of issues that impact on the quality of life of people with intellectual disabilities and their families. The book commences with a general discussion on defining quality of life and family quality of life and the appropriateness of using these constructs in the field of intellectual disability, and is followed by an analysis on the effects of living arrangements and employment on quality of life. The book concludes with discussions on the unique issues facing children with intellectual disabilities and people living in developing countries and the effect these issues have upon their quality of life.