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![Cover for Weller, L. David, Jr. · The Assistant Principal: Essentials for Effective School Leadership (Paperback Book) [Workbook Ed. edition] (2001)](https://imusic.b-cdn.net/images/item/original/940/9780761977940.jpg?weller-l-david-jr-2001-the-assistant-principal-essentials-for-effective-school-leadership-paperback-book&class=scaled&v=1557730796)