The eighth edition of this best-selling introductory text in special education is the most extensive overall revision in its twenty-two year history. It is a general introduction to the characteristics of exceptional persons and their education. It is written with both special education and general education students in mind. The authors' clear and concise writing style makes research and theoretical issues easily understood. In addition to factual information, readers are exposed to material that will help them explore and develop their attitudes and feelings towards persons with disabilities.