The Handbook of Social Policy is an attempt to document the now substantial body of knowledge about government social policies that has been accumulated since the study of social policy first emerged as an organized field of academic endeavor about 50 years ago. The Second Edition offers a more streamlined format to make the book more consistent with the way most instructors teach their courses. This text is a comprehensive yet accessible introduction to a vast field of endeavor that has, over the years, made a significant difference to the lives and the well-being of the people of the United States.