The book titled ""The Myroure of Oure Ladye"" is a devotional treatise on Divine Service, which includes a translation of the offices used by the Sisters of the Brigittine Monastery of Sion at Isleworth during the fifteenth and sixteenth centuries. The author of this book is John Henry Blunt. The book is a comprehensive guide to the religious practices and beliefs of the Brigittine Monastery of Sion, and it provides a detailed description of the various...