I hadn't quite expected the to-be-shipped books to start arriving this quickly! There was a Fed Ex note on my door when I got home from the airport Monday evening and--having authorized doorstep delivery--the book was there after work Tuesday.
Mechain, Gwerful (edited and translated by Katie Gramich). 2018. The Works of Gwerful Mechain. Broadview Press, Peterborough. ISBN 978-1-55481-414-5