This book offers important contributions to the archaeology and history of Christianity in one of Egypt's leading ancient Christian centers. Wadi al-Natrun, a depression in the Western Desert of Egypt, west of the Nile Delta and 23 meters below sea level, is one of the most important centers for the development and continued thriving of the Coptic monastic tradition. Christianity and monasticism have flourished there from as early as the fourth century until the present day, when four major monasteries still flourish. The contributors to this volume, international specialists in Coptology from around the world, examine various aspects of Coptic civilization in Wadi al-Natrun over the past seventeen hundred years. The studies center on aspects of the history and development of monasticism in Wadi al-Natrun, as well as the art, architecture, and archaeology of the four existing and numerous former monasteries of the region.