Zastrow and Kirst-Ashman's UNDERSTANDING HUMAN BEHAVIOR AND THE SOCIAL ENVIRONMENT, 9E, International Edition looks at lifespan through the lens of social work theory and practice, covering human development and behavior theories within the context of family, organizational, and community systems. Using a chronological lifespan approach, the book presents separate chapters on biological, psychological, and social impacts at the different lifespan stages with an emphasis on strengths and empowerment. As part of the Brooks/Cole Empowerment Series, this edition is completely up to date and thoroughly integrates the core competencies and recommended practice behaviors outlined in the 2008 Educational Policy and Accreditation Standards (EPAS) set by the Council on Social Work Education (CSWE).