Published in an oversized format (8.5x11") and containing superb color plates of the manuscript's illuminated initials, this volume presents a full treatment of this unusual manuscript. Oliver (art history, Colgate U.) describes the Cistercian convent of Rulle, where Gisela was a nun, the evidence for Gisela as the manuscript's scribe and illuminator, the sources and symbolism of the illuminations, and the celebrations and traditions behind the liturgy. An appendix contains a full catalog of 13th- and 14th-century graduals. Distributed in North America by The David Brown Book Co. Annotation ©2008 Book News, Inc., Portland, OR (booknews.com)