Another book I've owned for decades, "Julian of Norwich" was purchased in St. Julian's Church in Norwich, England, in 1999 [?]. One of Elly Griffiths' mysteries is set in Norwich and mentions Julian; that inspired me to take this book off the shelf.
Living as an anchoress in the late 14th century, Julian wrote a book in English [Chaucer's English] about a series of 13 "shewings," or showings. These were mystical experiences. This book was "lost" for 500+ years, and was found in an old monastery in 1901. T.S.Eliot made her famous when he quoted her,
"All shall be well. All shall be well. All manner of thing shall be well." in his poem "Little Gidding."