Having learned the results of posting a translation in Spanish, I hasten to do so in French. What happened is that the academia algorithms inundated me with scholarly reading suggestions in Spanish related to the subject material in the book. So I proceeded to upload the French translation as a file and hope for the same result. We may end up learning more about the Astleys this way.
https://www.academia.edu/84062571/Quest_of_the_Spirit_fr