Faith Wallis is Professor Emerita at McGill University in Montreal. Her research focuses on the textual and manuscript transmission of medical and scientific knowledge in the Middle Ages. Her many books include Bede: Commentary on the Gospel of Luke (with Calvin B. Kendall, 2024), Isidore of Seville: On the Nature of Things (2016), Bede: Commentary on Revelation (2013), all in the Liverpool University Press Translated Texts for Historians series.

• Introduction 1. 'Our little book about the fleeting and wave-tossed course of time...' 2. Computus as a problem-solving instrument: from the Patristic period to the time of Bede 3. Computus as pedagogy 4. Reception and diffusion 5. Principles governing this translationBede: The Reckoning of TimeCommentaryAppendices 1. Bede's solar calendar 2. Bede's Dionysian Paschal tables3a. Letter to Plegwine3b. Letter to Helmwald3c. Letter to Wichthed 4. Glossary of select computus terminology 5. Checklist of Manuscripts of The Reckoning of TimeBibliography

This is the first full translation of this work, and beautifully edited. Professor Wallis offers a very clear introduction and a detailed chapter by chapter commentary. This is a wonderful book.New Directions