Fwiw, on
Connecticut Yankee in King Arthur’s Court, there are several free kindle versions, and one of them has a 99 cent whispersync version. It may not be as good as the Nick Offerman reading, but the ratings look ok.
Kindle freebie:
https://www.amazon.com/Connecticut-Y...UTF8&qid=&sr=#
Audible 99 cent whispersync:
https://www.audible.com/pd/Classics/...4AT8G7XBX80DY&