Immo Warntjes, The Munich Computus: Text and Translation. Irish computistics between Isidore of Seville and the Venerable Bede and its reception in Carolingian times, Stuttgart (Franz Steiner), 2010, CCXXII–402 p. (Sudhoffs Archiv. Zeitschrift für Wissenschaftsgeschichte. Beihefte, 59), ISBN 978-3-515-09701-7, EUR 89,00.