This collection of articles, by scholars with established reputations in the field, focuses on medieval books designed for use in Christian worship, both public and private. Examples are drawn from French, Italian and Dutch work of the fourteenth to the early sixteenth centuries. The contributors explore the various ways in which text and imagery complement and re-enforce one another, and the importance of music and chant is also addressed. The interdisciplinary focus ensures that it will be of wide interest to scholars in many different fields. This is a work of original contributions by scholars with established reputations in the field; no other volume deals with the same material. Much of the visual material has been previously unpublished or inaccessible.