For anything at all — questions, suggestions, feedback, or adding a book to the library — please write to Michael Coughlin:
Only if that fails — no reply after a while, or the mail bounces — try Courtney Hicks at books.freely@lyndnex.com.
Would you like to add a book to the library? You can submit a resource under a freely given, public domain license by visiting freely.giving/publish to see what you need to do, then email Michael at the address above.