Just revisted this Thread for any update on his condition. Negative results. Googled his name. Sad news, he died on 12 October 22.
A brief Obituary: https://www.echovita.com/us/obituaries/tx/lumberton/david-bichrest-15352695

Just to suggest anyone ordering/having just rodered David's book, give some space to his family in terms of delivery expectations.

God rest him!
John