I haven't read but a few paragraphs yet, but it does sound quite intriguing.
"A grown lady is changed straightway into a fox. There is no explaining that away by any natural philosophy. The materialism of our age will not help us here. It is indeed a miracle; something from outside our world altogether; an event which we would willingly accept if we were to meet it invested with the authority of Divine Revelation in the scriptures, but which we are not prepared to encounter almost in our time, happening in Oxfordshire amongst our neighbours."