This important book by a respected scholar provides a far-reaching historical analysis of how theory and practice have together shaped the identity of present-day social work. Including a close analysis of two well-known practitioner exemplars - Jane Addams and Mary Richmond - this ambitious survey carefully weaves together a situationally contextualised exploration of actual social work practice with an analysis of the key conceptual and research preoccupations that have characterised social work's academic development. The theoretical and research themes include:- early positivism- Marxism- psychology- evidence-based practice- globalisation- debates about the science of social work.This is a detailed, scholarly analysis of social work's roots, development and boundaries at practice, research and theoretical levels, informed by a wide social science framework. Now truly international in perspective, this new edition of a classic text will be of high value to advanced level students, researchers and professionals who are interested in where social work has come from and what promises and challenges it faces.