First volume in the new Westminster Abbey Record Series, covering changes in Abbey ritual during the Reformation. This book is the first volume in a new venture, the Westminster Abbey Record Series, which aims to publish documents, calendars, lists and indexes from the Abbey's large and continuous archive of over a thousand years, making itscontents available both to scholars and to a wider interested public. This edition of the earliest Chapter Act Book of the Dean and Chapter is an essential source for the impact of the Reformation at Westminster. The years covered in this volume show the business of setting up a reformed cathedral; the administration of the Abbey's large estate is also well illustrated, including the relations with the powerful courtiers and politicians who were among the Abbey's tenants. Dr CHARLES KNIGHTON gained his Ph.D. from Magdalene College, Cambridge.