Or, perhaps EBay is still allowing massive collections of pirated ebooks to be sold in auctions too quick to catch, as "in the public domain".
Orphan works are a problem for persons who intend to act in good faith.
Sometimes, as in the Hathi Trust case, a good faith search for a living author is about as sketchy as Amazon as or Spotify music streaming services' searches for living songwriters (such as Steven Tyler of Aerosmith),
There is good news for writers of songs, who have been legally baffled by the NOI system http://music3point0.com/2018/02/02/noi-lookup/
And then, there is the question of orphan authors. What are they? Orphan authors are defined by Library Thing as authors without works.
The trick, perhaps, is for authors to make sure they can be located and contacted. That would apply doubly so to authors who were once able to be contacted through a publishing house that is now defunct.
Here is a public Facebook group, newly started, that might be helpful for the purpose. I hope it is not reinventing the proverbial wheel.
All the best,