Norlin, Julia M., Chess, Wayne A. This thoroughly-revised book is based upon social systems theory and incorporates the new Curriculum Policy Statements of the Council on Social Work Education (CSWE). This book is based upon a generalist practice foundation and examines basic concepts in each of the various system sizes: the social group, the family, the organization, and the community. It includes expanded coverage of diversity, values and ethics, social and economic justice/oppression, populations-at-risk, and other areas outlined in the Statements. For professionals working in the field of Social Work. Used Book in Good Condition