First published in 1971 and now the best known book in the field, Supervision: A Redefinition continues to be the leading text for combining an in-depth view of theory and research for supervision with practical applications. The Seventh Edition continues a thirty-year tradition of breaking new ground by continuously redefining the field of supervision in response to changing school contexts, policies, and realities. The practical applications are supported by a conception of supervision as moral agency. The book continues to promote a new vision, or redefinition, of supervision from that of a top-down activity performed by higher-ups in the school hierarchy, to one in which supervision is a shared activity involving all stake-holders in the school including teachers, administrators, and parents. The book sees schools as communities rather than organizations, and emphasizes the student-teacher relationship rather than bureaucratic functions.Sergiovanni, Thomas is the author of 'Supervision A Redefinition', published 2001 under ISBN 9780072406634 and ISBN 0072406631.